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Finding the Third Proportional to 60,639.38 and 130,399.13

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Solution

The third proportional to 60,639.38 and 130,399.13 is: 280,410.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,639.38 : 130,399.13 = 130,399.13 : x
  2. Step 2: Convert to fraction form
    60,639.38/130,399.13 = 130,399.13/x
  3. Step 3: Cross multiply
    60,639.38x = 130,399.13 × 130,399.13
  4. Step 4: Simplify right side
    60,639.38x = 17,003,931,800.77
  5. Step 5: Solve for x
    x = 17,003,931,800.77/60,639.38
  6. Step 6: Final answer
    x = 280,410.74

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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.