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Finding the Third Proportional to 68,395.50 and 102,319.88

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Solution

The third proportional to 68,395.50 and 102,319.88 is: 153,070.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,395.50 : 102,319.88 = 102,319.88 : x
  2. Step 2: Convert to fraction form
    68,395.50/102,319.88 = 102,319.88/x
  3. Step 3: Cross multiply
    68,395.50x = 102,319.88 × 102,319.88
  4. Step 4: Simplify right side
    68,395.50x = 10,469,356,820.02
  5. Step 5: Solve for x
    x = 10,469,356,820.02/68,395.50
  6. Step 6: Final answer
    x = 153,070.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.