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Finding the Third Proportional to 75,464 and 158,272

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Solution

The third proportional to 75,464 and 158,272 is: 331,946.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,464 : 158,272 = 158,272 : x
  2. Step 2: Convert to fraction form
    75,464/158,272 = 158,272/x
  3. Step 3: Cross multiply
    75,464x = 158,272 × 158,272
  4. Step 4: Simplify right side
    75,464x = 25,050,025,984
  5. Step 5: Solve for x
    x = 25,050,025,984/75,464
  6. Step 6: Final answer
    x = 331,946.70

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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.