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Finding the Third Proportional to 108,733.50 and 130,270.50

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Solution

The third proportional to 108,733.50 and 130,270.50 is: 156,073.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,733.50 : 130,270.50 = 130,270.50 : x
  2. Step 2: Convert to fraction form
    108,733.50/130,270.50 = 130,270.50/x
  3. Step 3: Cross multiply
    108,733.50x = 130,270.50 × 130,270.50
  4. Step 4: Simplify right side
    108,733.50x = 16,970,403,170.25
  5. Step 5: Solve for x
    x = 16,970,403,170.25/108,733.50
  6. Step 6: Final answer
    x = 156,073.36

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Why These Related Problems?

These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.