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Finding the Third Proportional to 91,987.75 and 134,952.25

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Solution

The third proportional to 91,987.75 and 134,952.25 is: 197,984.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,987.75 : 134,952.25 = 134,952.25 : x
  2. Step 2: Convert to fraction form
    91,987.75/134,952.25 = 134,952.25/x
  3. Step 3: Cross multiply
    91,987.75x = 134,952.25 × 134,952.25
  4. Step 4: Simplify right side
    91,987.75x = 18,212,109,780.06
  5. Step 5: Solve for x
    x = 18,212,109,780.06/91,987.75
  6. Step 6: Final answer
    x = 197,984.08

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.