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Finding the Third Proportional to 40,128 and 61,260.75

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Solution

The third proportional to 40,128 and 61,260.75 is: 93,522.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,128 : 61,260.75 = 61,260.75 : x
  2. Step 2: Convert to fraction form
    40,128/61,260.75 = 61,260.75/x
  3. Step 3: Cross multiply
    40,128x = 61,260.75 × 61,260.75
  4. Step 4: Simplify right side
    40,128x = 3,752,879,490.56
  5. Step 5: Solve for x
    x = 3,752,879,490.56/40,128
  6. Step 6: Final answer
    x = 93,522.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.