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Finding the Third Proportional to 47,862 and 75,276

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Solution

The third proportional to 47,862 and 75,276 is: 118,391.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,862 : 75,276 = 75,276 : x
  2. Step 2: Convert to fraction form
    47,862/75,276 = 75,276/x
  3. Step 3: Cross multiply
    47,862x = 75,276 × 75,276
  4. Step 4: Simplify right side
    47,862x = 5,666,476,176
  5. Step 5: Solve for x
    x = 5,666,476,176/47,862
  6. Step 6: Final answer
    x = 118,391.96

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.