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Finding the Third Proportional to 724,365 and 1,573,387

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Solution

The third proportional to 724,365 and 1,573,387 is: 3,417,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,365 : 1,573,387 = 1,573,387 : x
  2. Step 2: Convert to fraction form
    724,365/1,573,387 = 1,573,387/x
  3. Step 3: Cross multiply
    724,365x = 1,573,387 × 1,573,387
  4. Step 4: Simplify right side
    724,365x = 2,475,546,651,769
  5. Step 5: Solve for x
    x = 2,475,546,651,769/724,365
  6. Step 6: Final answer
    x = 3,417,540.40

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.