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Finding the Third Proportional to 75,304 and 110,780

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Solution

The third proportional to 75,304 and 110,780 is: 162,968.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,304 : 110,780 = 110,780 : x
  2. Step 2: Convert to fraction form
    75,304/110,780 = 110,780/x
  3. Step 3: Cross multiply
    75,304x = 110,780 × 110,780
  4. Step 4: Simplify right side
    75,304x = 12,272,208,400
  5. Step 5: Solve for x
    x = 12,272,208,400/75,304
  6. Step 6: Final answer
    x = 162,968.88

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.