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Finding the Third Proportional to 20,140.88 and 36,955.13

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Solution

The third proportional to 20,140.88 and 36,955.13 is: 67,806.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,140.88 : 36,955.13 = 36,955.13 : x
  2. Step 2: Convert to fraction form
    20,140.88/36,955.13 = 36,955.13/x
  3. Step 3: Cross multiply
    20,140.88x = 36,955.13 × 36,955.13
  4. Step 4: Simplify right side
    20,140.88x = 1,365,681,263.77
  5. Step 5: Solve for x
    x = 1,365,681,263.77/20,140.88
  6. Step 6: Final answer
    x = 67,806.45

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Why These Related Problems?

These problems maintain the same ratio (1.83) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.