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Finding the Third Proportional to 724,930 and 1,569,329

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Solution

The third proportional to 724,930 and 1,569,329 is: 3,397,284.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,930 : 1,569,329 = 1,569,329 : x
  2. Step 2: Convert to fraction form
    724,930/1,569,329 = 1,569,329/x
  3. Step 3: Cross multiply
    724,930x = 1,569,329 × 1,569,329
  4. Step 4: Simplify right side
    724,930x = 2,462,793,510,241
  5. Step 5: Solve for x
    x = 2,462,793,510,241/724,930
  6. Step 6: Final answer
    x = 3,397,284.58

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.