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Finding the Third Proportional to 98,054.75 and 138,079.50

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Solution

The third proportional to 98,054.75 and 138,079.50 is: 194,441.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,054.75 : 138,079.50 = 138,079.50 : x
  2. Step 2: Convert to fraction form
    98,054.75/138,079.50 = 138,079.50/x
  3. Step 3: Cross multiply
    98,054.75x = 138,079.50 × 138,079.50
  4. Step 4: Simplify right side
    98,054.75x = 19,065,948,320.25
  5. Step 5: Solve for x
    x = 19,065,948,320.25/98,054.75
  6. Step 6: Final answer
    x = 194,441.86

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.