Home / 298,605,984-427,007,072

Finding the Third Proportional to 298,605,984 and 427,007,072

Calculator

Solution

The third proportional to 298,605,984 and 427,007,072 is: 610,620,849.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,605,984 : 427,007,072 = 427,007,072 : x
  2. Step 2: Convert to fraction form
    298,605,984/427,007,072 = 427,007,072/x
  3. Step 3: Cross multiply
    298,605,984x = 427,007,072 × 427,007,072
  4. Step 4: Simplify right side
    298,605,984x = 182,335,039,538,013,184
  5. Step 5: Solve for x
    x = 182,335,039,538,013,184/298,605,984
  6. Step 6: Final answer
    x = 610,620,849.24

Related Problems

Find third proportional to 149,302,992 and 213,503,536
Half scale
Find third proportional to 597,211,968 and 854,014,144
Double scale
Find third proportional to 298,605,986 and 427,007,075
Similar ratio
Find third proportional to 447,908,976 and 640,510,608
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.