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Finding the Third Proportional to 31,030.50 and 66,982.13

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Solution

The third proportional to 31,030.50 and 66,982.13 is: 144,586.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,030.50 : 66,982.13 = 66,982.13 : x
  2. Step 2: Convert to fraction form
    31,030.50/66,982.13 = 66,982.13/x
  3. Step 3: Cross multiply
    31,030.50x = 66,982.13 × 66,982.13
  4. Step 4: Simplify right side
    31,030.50x = 4,486,605,069.52
  5. Step 5: Solve for x
    x = 4,486,605,069.52/31,030.50
  6. Step 6: Final answer
    x = 144,586.94

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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.