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Finding the Third Proportional to 29,778 and 47,398.50

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Solution

The third proportional to 29,778 and 47,398.50 is: 75,445.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,778 : 47,398.50 = 47,398.50 : x
  2. Step 2: Convert to fraction form
    29,778/47,398.50 = 47,398.50/x
  3. Step 3: Cross multiply
    29,778x = 47,398.50 × 47,398.50
  4. Step 4: Simplify right side
    29,778x = 2,246,617,802.25
  5. Step 5: Solve for x
    x = 2,246,617,802.25/29,778
  6. Step 6: Final answer
    x = 75,445.56

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.