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Finding the Third Proportional to 98,437.78 and 147,625.88

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Solution

The third proportional to 98,437.78 and 147,625.88 is: 221,392.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,437.78 : 147,625.88 = 147,625.88 : x
  2. Step 2: Convert to fraction form
    98,437.78/147,625.88 = 147,625.88/x
  3. Step 3: Cross multiply
    98,437.78x = 147,625.88 × 147,625.88
  4. Step 4: Simplify right side
    98,437.78x = 21,793,398,969.52
  5. Step 5: Solve for x
    x = 21,793,398,969.52/98,437.78
  6. Step 6: Final answer
    x = 221,392.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.