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Finding the Third Proportional to 21,559.88 and 47,127.38

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Solution

The third proportional to 21,559.88 and 47,127.38 is: 103,014.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559.88 : 47,127.38 = 47,127.38 : x
  2. Step 2: Convert to fraction form
    21,559.88/47,127.38 = 47,127.38/x
  3. Step 3: Cross multiply
    21,559.88x = 47,127.38 × 47,127.38
  4. Step 4: Simplify right side
    21,559.88x = 2,220,989,474.39
  5. Step 5: Solve for x
    x = 2,220,989,474.39/21,559.88
  6. Step 6: Final answer
    x = 103,014.95

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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.