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Finding the Third Proportional to 118,432.13 and 171,427.50

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Solution

The third proportional to 118,432.13 and 171,427.50 is: 248,136.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,432.13 : 171,427.50 = 171,427.50 : x
  2. Step 2: Convert to fraction form
    118,432.13/171,427.50 = 171,427.50/x
  3. Step 3: Cross multiply
    118,432.13x = 171,427.50 × 171,427.50
  4. Step 4: Simplify right side
    118,432.13x = 29,387,387,756.25
  5. Step 5: Solve for x
    x = 29,387,387,756.25/118,432.13
  6. Step 6: Final answer
    x = 248,136.96

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.