Home / 61,709,072-128,525,768

Finding the Third Proportional to 61,709,072 and 128,525,768

Calculator

Solution

The third proportional to 61,709,072 and 128,525,768 is: 267,689,539.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,709,072 : 128,525,768 = 128,525,768 : x
  2. Step 2: Convert to fraction form
    61,709,072/128,525,768 = 128,525,768/x
  3. Step 3: Cross multiply
    61,709,072x = 128,525,768 × 128,525,768
  4. Step 4: Simplify right side
    61,709,072x = 16,518,873,039,989,824
  5. Step 5: Solve for x
    x = 16,518,873,039,989,824/61,709,072
  6. Step 6: Final answer
    x = 267,689,539.07

Related Problems

Find third proportional to 30,854,536 and 64,262,884
Half scale
Find third proportional to 123,418,144 and 257,051,536
Double scale
Find third proportional to 61,709,074 and 128,525,772
Similar ratio
Find third proportional to 92,563,608 and 192,788,652
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.