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Finding the Third Proportional to 90,250.88 and 140,312.06

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Solution

The third proportional to 90,250.88 and 140,312.06 is: 218,141.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,250.88 : 140,312.06 = 140,312.06 : x
  2. Step 2: Convert to fraction form
    90,250.88/140,312.06 = 140,312.06/x
  3. Step 3: Cross multiply
    90,250.88x = 140,312.06 × 140,312.06
  4. Step 4: Simplify right side
    90,250.88x = 19,687,474,883.00
  5. Step 5: Solve for x
    x = 19,687,474,883.00/90,250.88
  6. Step 6: Final answer
    x = 218,141.65

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.