Home / 520,628-804,538

Finding the Third Proportional to 520,628 and 804,538

Calculator

Solution

The third proportional to 520,628 and 804,538 is: 1,243,270.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,628 : 804,538 = 804,538 : x
  2. Step 2: Convert to fraction form
    520,628/804,538 = 804,538/x
  3. Step 3: Cross multiply
    520,628x = 804,538 × 804,538
  4. Step 4: Simplify right side
    520,628x = 647,281,393,444
  5. Step 5: Solve for x
    x = 647,281,393,444/520,628
  6. Step 6: Final answer
    x = 1,243,270.42

Related Problems

Find third proportional to 260,314 and 402,269
Half scale
Find third proportional to 1,041,256 and 1,609,076
Double scale
Find third proportional to 520,630 and 804,541
Similar ratio
Find third proportional to 780,942 and 1,206,807
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.