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Finding the Third Proportional to 60,919.13 and 129,730.13

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Solution

The third proportional to 60,919.13 and 129,730.13 is: 276,266.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,919.13 : 129,730.13 = 129,730.13 : x
  2. Step 2: Convert to fraction form
    60,919.13/129,730.13 = 129,730.13/x
  3. Step 3: Cross multiply
    60,919.13x = 129,730.13 × 129,730.13
  4. Step 4: Simplify right side
    60,919.13x = 16,829,905,332.52
  5. Step 5: Solve for x
    x = 16,829,905,332.52/60,919.13
  6. Step 6: Final answer
    x = 276,266.37

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.