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Finding the Third Proportional to 71,862.19 and 151,173

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Solution

The third proportional to 71,862.19 and 151,173 is: 318,015.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,862.19 : 151,173 = 151,173 : x
  2. Step 2: Convert to fraction form
    71,862.19/151,173 = 151,173/x
  3. Step 3: Cross multiply
    71,862.19x = 151,173 × 151,173
  4. Step 4: Simplify right side
    71,862.19x = 22,853,275,929
  5. Step 5: Solve for x
    x = 22,853,275,929/71,862.19
  6. Step 6: Final answer
    x = 318,015.31

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.