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Finding the Third Proportional to 91,990.13 and 134,956.13

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Solution

The third proportional to 91,990.13 and 134,956.13 is: 197,990.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,990.13 : 134,956.13 = 134,956.13 : x
  2. Step 2: Convert to fraction form
    91,990.13/134,956.13 = 134,956.13/x
  3. Step 3: Cross multiply
    91,990.13x = 134,956.13 × 134,956.13
  4. Step 4: Simplify right side
    91,990.13x = 18,213,155,675.02
  5. Step 5: Solve for x
    x = 18,213,155,675.02/91,990.13
  6. Step 6: Final answer
    x = 197,990.34

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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.