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Finding the Third Proportional to 108,325.13 and 168,391.13

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Solution

The third proportional to 108,325.13 and 168,391.13 is: 261,763.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,325.13 : 168,391.13 = 168,391.13 : x
  2. Step 2: Convert to fraction form
    108,325.13/168,391.13 = 168,391.13/x
  3. Step 3: Cross multiply
    108,325.13x = 168,391.13 × 168,391.13
  4. Step 4: Simplify right side
    108,325.13x = 28,355,570,978.77
  5. Step 5: Solve for x
    x = 28,355,570,978.77/108,325.13
  6. Step 6: Final answer
    x = 261,763.57

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.