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Finding the Third Proportional to 91,988.50 and 134,954.50

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Solution

The third proportional to 91,988.50 and 134,954.50 is: 197,989.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,988.50 : 134,954.50 = 134,954.50 : x
  2. Step 2: Convert to fraction form
    91,988.50/134,954.50 = 134,954.50/x
  3. Step 3: Cross multiply
    91,988.50x = 134,954.50 × 134,954.50
  4. Step 4: Simplify right side
    91,988.50x = 18,212,717,070.25
  5. Step 5: Solve for x
    x = 18,212,717,070.25/91,988.50
  6. Step 6: Final answer
    x = 197,989.06

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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.