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Finding the Third Proportional to 98,161.88 and 155,686.50

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Solution

The third proportional to 98,161.88 and 155,686.50 is: 246,921.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,161.88 : 155,686.50 = 155,686.50 : x
  2. Step 2: Convert to fraction form
    98,161.88/155,686.50 = 155,686.50/x
  3. Step 3: Cross multiply
    98,161.88x = 155,686.50 × 155,686.50
  4. Step 4: Simplify right side
    98,161.88x = 24,238,286,282.25
  5. Step 5: Solve for x
    x = 24,238,286,282.25/98,161.88
  6. Step 6: Final answer
    x = 246,921.59

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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.