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Finding the Third Proportional to 69,261.75 and 98,911.13

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Solution

The third proportional to 69,261.75 and 98,911.13 is: 141,252.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,261.75 : 98,911.13 = 98,911.13 : x
  2. Step 2: Convert to fraction form
    69,261.75/98,911.13 = 98,911.13/x
  3. Step 3: Cross multiply
    69,261.75x = 98,911.13 × 98,911.13
  4. Step 4: Simplify right side
    69,261.75x = 9,783,410,648.77
  5. Step 5: Solve for x
    x = 9,783,410,648.77/69,261.75
  6. Step 6: Final answer
    x = 141,252.72

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.