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Finding the Third Proportional to 108,081 and 163,609.50

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Solution

The third proportional to 108,081 and 163,609.50 is: 247,666.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,081 : 163,609.50 = 163,609.50 : x
  2. Step 2: Convert to fraction form
    108,081/163,609.50 = 163,609.50/x
  3. Step 3: Cross multiply
    108,081x = 163,609.50 × 163,609.50
  4. Step 4: Simplify right side
    108,081x = 26,768,068,490.25
  5. Step 5: Solve for x
    x = 26,768,068,490.25/108,081
  6. Step 6: Final answer
    x = 247,666.74

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.