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Finding the Third Proportional to 55,998.25 and 86,705.75

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Solution

The third proportional to 55,998.25 and 86,705.75 is: 134,252.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,998.25 : 86,705.75 = 86,705.75 : x
  2. Step 2: Convert to fraction form
    55,998.25/86,705.75 = 86,705.75/x
  3. Step 3: Cross multiply
    55,998.25x = 86,705.75 × 86,705.75
  4. Step 4: Simplify right side
    55,998.25x = 7,517,887,083.06
  5. Step 5: Solve for x
    x = 7,517,887,083.06/55,998.25
  6. Step 6: Final answer
    x = 134,252.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.