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Finding the Third Proportional to 175,387.50 and 256,515.75

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Solution

The third proportional to 175,387.50 and 256,515.75 is: 375,171.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,387.50 : 256,515.75 = 256,515.75 : x
  2. Step 2: Convert to fraction form
    175,387.50/256,515.75 = 256,515.75/x
  3. Step 3: Cross multiply
    175,387.50x = 256,515.75 × 256,515.75
  4. Step 4: Simplify right side
    175,387.50x = 65,800,329,998.06
  5. Step 5: Solve for x
    x = 65,800,329,998.06/175,387.50
  6. Step 6: Final answer
    x = 375,171.15

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.