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Finding the Third Proportional to 724,909 and 1,569,284

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Solution

The third proportional to 724,909 and 1,569,284 is: 3,397,188.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,909 : 1,569,284 = 1,569,284 : x
  2. Step 2: Convert to fraction form
    724,909/1,569,284 = 1,569,284/x
  3. Step 3: Cross multiply
    724,909x = 1,569,284 × 1,569,284
  4. Step 4: Simplify right side
    724,909x = 2,462,652,272,656
  5. Step 5: Solve for x
    x = 2,462,652,272,656/724,909
  6. Step 6: Final answer
    x = 3,397,188.16

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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.