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Finding the Third Proportional to 60,518.39 and 129,272.20

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Solution

The third proportional to 60,518.39 and 129,272.20 is: 276,135.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,518.39 : 129,272.20 = 129,272.20 : x
  2. Step 2: Convert to fraction form
    60,518.39/129,272.20 = 129,272.20/x
  3. Step 3: Cross multiply
    60,518.39x = 129,272.20 × 129,272.20
  4. Step 4: Simplify right side
    60,518.39x = 16,711,302,500.79
  5. Step 5: Solve for x
    x = 16,711,302,500.79/60,518.39
  6. Step 6: Final answer
    x = 276,135.94

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.