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Finding the Third Proportional to 54,973 and 81,244.50

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Solution

The third proportional to 54,973 and 81,244.50 is: 120,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,973 : 81,244.50 = 81,244.50 : x
  2. Step 2: Convert to fraction form
    54,973/81,244.50 = 81,244.50/x
  3. Step 3: Cross multiply
    54,973x = 81,244.50 × 81,244.50
  4. Step 4: Simplify right side
    54,973x = 6,600,668,780.25
  5. Step 5: Solve for x
    x = 6,600,668,780.25/54,973
  6. Step 6: Final answer
    x = 120,071.10

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.