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Finding the Third Proportional to 90,967.50 and 126,319.50

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Solution

The third proportional to 90,967.50 and 126,319.50 is: 175,410.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,967.50 : 126,319.50 = 126,319.50 : x
  2. Step 2: Convert to fraction form
    90,967.50/126,319.50 = 126,319.50/x
  3. Step 3: Cross multiply
    90,967.50x = 126,319.50 × 126,319.50
  4. Step 4: Simplify right side
    90,967.50x = 15,956,616,080.25
  5. Step 5: Solve for x
    x = 15,956,616,080.25/90,967.50
  6. Step 6: Final answer
    x = 175,410.08

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.