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Finding the Third Proportional to 551,445 and 866,532

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Solution

The third proportional to 551,445 and 866,532 is: 1,361,654.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,445 : 866,532 = 866,532 : x
  2. Step 2: Convert to fraction form
    551,445/866,532 = 866,532/x
  3. Step 3: Cross multiply
    551,445x = 866,532 × 866,532
  4. Step 4: Simplify right side
    551,445x = 750,877,707,024
  5. Step 5: Solve for x
    x = 750,877,707,024/551,445
  6. Step 6: Final answer
    x = 1,361,654.76

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.