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Finding the Third Proportional to 28,471.50 and 42,474.38

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Solution

The third proportional to 28,471.50 and 42,474.38 is: 63,364.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,471.50 : 42,474.38 = 42,474.38 : x
  2. Step 2: Convert to fraction form
    28,471.50/42,474.38 = 42,474.38/x
  3. Step 3: Cross multiply
    28,471.50x = 42,474.38 × 42,474.38
  4. Step 4: Simplify right side
    28,471.50x = 1,804,072,531.64
  5. Step 5: Solve for x
    x = 1,804,072,531.64/28,471.50
  6. Step 6: Final answer
    x = 63,364.15

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.