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Finding the Third Proportional to 90,290.53 and 140,000.06

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Solution

The third proportional to 90,290.53 and 140,000.06 is: 217,077.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,290.53 : 140,000.06 = 140,000.06 : x
  2. Step 2: Convert to fraction form
    90,290.53/140,000.06 = 140,000.06/x
  3. Step 3: Cross multiply
    90,290.53x = 140,000.06 × 140,000.06
  4. Step 4: Simplify right side
    90,290.53x = 19,600,017,500.00
  5. Step 5: Solve for x
    x = 19,600,017,500.00/90,290.53
  6. Step 6: Final answer
    x = 217,077.22

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Why These Related Problems?

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