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Finding the Third Proportional to 218,583 and 347,571

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Solution

The third proportional to 218,583 and 347,571 is: 552,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,583 : 347,571 = 347,571 : x
  2. Step 2: Convert to fraction form
    218,583/347,571 = 347,571/x
  3. Step 3: Cross multiply
    218,583x = 347,571 × 347,571
  4. Step 4: Simplify right side
    218,583x = 120,805,600,041
  5. Step 5: Solve for x
    x = 120,805,600,041/218,583
  6. Step 6: Final answer
    x = 552,676.10

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.