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Finding the Third Proportional to 407,691 and 599,553

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Solution

The third proportional to 407,691 and 599,553 is: 881,706.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,691 : 599,553 = 599,553 : x
  2. Step 2: Convert to fraction form
    407,691/599,553 = 599,553/x
  3. Step 3: Cross multiply
    407,691x = 599,553 × 599,553
  4. Step 4: Simplify right side
    407,691x = 359,463,799,809
  5. Step 5: Solve for x
    x = 359,463,799,809/407,691
  6. Step 6: Final answer
    x = 881,706.49

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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.