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Finding the Third Proportional to 140,152 and 217,598

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Solution

The third proportional to 140,152 and 217,598 is: 337,839.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,152 : 217,598 = 217,598 : x
  2. Step 2: Convert to fraction form
    140,152/217,598 = 217,598/x
  3. Step 3: Cross multiply
    140,152x = 217,598 × 217,598
  4. Step 4: Simplify right side
    140,152x = 47,348,889,604
  5. Step 5: Solve for x
    x = 47,348,889,604/140,152
  6. Step 6: Final answer
    x = 337,839.56

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.