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Finding the Third Proportional to 61,280.30 and 91,889.44

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Solution

The third proportional to 61,280.30 and 91,889.44 is: 137,787.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,280.30 : 91,889.44 = 91,889.44 : x
  2. Step 2: Convert to fraction form
    61,280.30/91,889.44 = 91,889.44/x
  3. Step 3: Cross multiply
    61,280.30x = 91,889.44 × 91,889.44
  4. Step 4: Simplify right side
    61,280.30x = 8,443,668,724.07
  5. Step 5: Solve for x
    x = 8,443,668,724.07/61,280.30
  6. Step 6: Final answer
    x = 137,787.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.