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Finding the Third Proportional to 574,684 and 866,400

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Solution

The third proportional to 574,684 and 866,400 is: 1,306,194.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,684 : 866,400 = 866,400 : x
  2. Step 2: Convert to fraction form
    574,684/866,400 = 866,400/x
  3. Step 3: Cross multiply
    574,684x = 866,400 × 866,400
  4. Step 4: Simplify right side
    574,684x = 750,648,960,000
  5. Step 5: Solve for x
    x = 750,648,960,000/574,684
  6. Step 6: Final answer
    x = 1,306,194.29

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.