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Finding the Third Proportional to 74,898.75 and 158,248.50

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Solution

The third proportional to 74,898.75 and 158,248.50 is: 334,352.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,898.75 : 158,248.50 = 158,248.50 : x
  2. Step 2: Convert to fraction form
    74,898.75/158,248.50 = 158,248.50/x
  3. Step 3: Cross multiply
    74,898.75x = 158,248.50 × 158,248.50
  4. Step 4: Simplify right side
    74,898.75x = 25,042,587,752.25
  5. Step 5: Solve for x
    x = 25,042,587,752.25/74,898.75
  6. Step 6: Final answer
    x = 334,352.55

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.