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Finding the Third Proportional to 531,486 and 807,069

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Solution

The third proportional to 531,486 and 807,069 is: 1,225,545.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,486 : 807,069 = 807,069 : x
  2. Step 2: Convert to fraction form
    531,486/807,069 = 807,069/x
  3. Step 3: Cross multiply
    531,486x = 807,069 × 807,069
  4. Step 4: Simplify right side
    531,486x = 651,360,370,761
  5. Step 5: Solve for x
    x = 651,360,370,761/531,486
  6. Step 6: Final answer
    x = 1,225,545.68

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.