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Finding the Third Proportional to 61,038.56 and 131,280.75

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Solution

The third proportional to 61,038.56 and 131,280.75 is: 282,356.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,038.56 : 131,280.75 = 131,280.75 : x
  2. Step 2: Convert to fraction form
    61,038.56/131,280.75 = 131,280.75/x
  3. Step 3: Cross multiply
    61,038.56x = 131,280.75 × 131,280.75
  4. Step 4: Simplify right side
    61,038.56x = 17,234,635,320.56
  5. Step 5: Solve for x
    x = 17,234,635,320.56/61,038.56
  6. Step 6: Final answer
    x = 282,356.51

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.