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Finding the Third Proportional to 71,031.38 and 118,370.25

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Solution

The third proportional to 71,031.38 and 118,370.25 is: 197,258.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,031.38 : 118,370.25 = 118,370.25 : x
  2. Step 2: Convert to fraction form
    71,031.38/118,370.25 = 118,370.25/x
  3. Step 3: Cross multiply
    71,031.38x = 118,370.25 × 118,370.25
  4. Step 4: Simplify right side
    71,031.38x = 14,011,516,085.06
  5. Step 5: Solve for x
    x = 14,011,516,085.06/71,031.38
  6. Step 6: Final answer
    x = 197,258.13

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.