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Finding the Third Proportional to 71,488 and 118,464

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Solution

The third proportional to 71,488 and 118,464 is: 196,308.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,488 : 118,464 = 118,464 : x
  2. Step 2: Convert to fraction form
    71,488/118,464 = 118,464/x
  3. Step 3: Cross multiply
    71,488x = 118,464 × 118,464
  4. Step 4: Simplify right side
    71,488x = 14,033,719,296
  5. Step 5: Solve for x
    x = 14,033,719,296/71,488
  6. Step 6: Final answer
    x = 196,308.74

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.