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Finding the Third Proportional to 60,119.72 and 129,875.91

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Solution

The third proportional to 60,119.72 and 129,875.91 is: 280,569.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,119.72 : 129,875.91 = 129,875.91 : x
  2. Step 2: Convert to fraction form
    60,119.72/129,875.91 = 129,875.91/x
  3. Step 3: Cross multiply
    60,119.72x = 129,875.91 × 129,875.91
  4. Step 4: Simplify right side
    60,119.72x = 16,867,751,024.26
  5. Step 5: Solve for x
    x = 16,867,751,024.26/60,119.72
  6. Step 6: Final answer
    x = 280,569.36

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.