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Finding the Third Proportional to 724,680 and 1,065,708

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Solution

The third proportional to 724,680 and 1,065,708 is: 1,567,220.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,680 : 1,065,708 = 1,065,708 : x
  2. Step 2: Convert to fraction form
    724,680/1,065,708 = 1,065,708/x
  3. Step 3: Cross multiply
    724,680x = 1,065,708 × 1,065,708
  4. Step 4: Simplify right side
    724,680x = 1,135,733,541,264
  5. Step 5: Solve for x
    x = 1,135,733,541,264/724,680
  6. Step 6: Final answer
    x = 1,567,220.76

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.