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Finding the Third Proportional to 28,731.75 and 60,919.13

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Solution

The third proportional to 28,731.75 and 60,919.13 is: 129,165.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,731.75 : 60,919.13 = 60,919.13 : x
  2. Step 2: Convert to fraction form
    28,731.75/60,919.13 = 60,919.13/x
  3. Step 3: Cross multiply
    28,731.75x = 60,919.13 × 60,919.13
  4. Step 4: Simplify right side
    28,731.75x = 3,711,139,790.77
  5. Step 5: Solve for x
    x = 3,711,139,790.77/28,731.75
  6. Step 6: Final answer
    x = 129,165.11

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.