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Finding the Third Proportional to 108,666 and 163,687.50

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Solution

The third proportional to 108,666 and 163,687.50 is: 246,568.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,666 : 163,687.50 = 163,687.50 : x
  2. Step 2: Convert to fraction form
    108,666/163,687.50 = 163,687.50/x
  3. Step 3: Cross multiply
    108,666x = 163,687.50 × 163,687.50
  4. Step 4: Simplify right side
    108,666x = 26,793,597,656.25
  5. Step 5: Solve for x
    x = 26,793,597,656.25/108,666
  6. Step 6: Final answer
    x = 246,568.36

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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.