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Finding the Third Proportional to 28,750.88 and 60,918.75

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Solution

The third proportional to 28,750.88 and 60,918.75 is: 129,077.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,750.88 : 60,918.75 = 60,918.75 : x
  2. Step 2: Convert to fraction form
    28,750.88/60,918.75 = 60,918.75/x
  3. Step 3: Cross multiply
    28,750.88x = 60,918.75 × 60,918.75
  4. Step 4: Simplify right side
    28,750.88x = 3,711,094,101.56
  5. Step 5: Solve for x
    x = 3,711,094,101.56/28,750.88
  6. Step 6: Final answer
    x = 129,077.61

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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.