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Finding the Third Proportional to 67,432.50 and 145,233

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Solution

The third proportional to 67,432.50 and 145,233 is: 312,796.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,432.50 : 145,233 = 145,233 : x
  2. Step 2: Convert to fraction form
    67,432.50/145,233 = 145,233/x
  3. Step 3: Cross multiply
    67,432.50x = 145,233 × 145,233
  4. Step 4: Simplify right side
    67,432.50x = 21,092,624,289
  5. Step 5: Solve for x
    x = 21,092,624,289/67,432.50
  6. Step 6: Final answer
    x = 312,796.12

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.