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Finding the Third Proportional to 55,098.75 and 81,837.75

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Solution

The third proportional to 55,098.75 and 81,837.75 is: 121,552.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,098.75 : 81,837.75 = 81,837.75 : x
  2. Step 2: Convert to fraction form
    55,098.75/81,837.75 = 81,837.75/x
  3. Step 3: Cross multiply
    55,098.75x = 81,837.75 × 81,837.75
  4. Step 4: Simplify right side
    55,098.75x = 6,697,417,325.06
  5. Step 5: Solve for x
    x = 6,697,417,325.06/55,098.75
  6. Step 6: Final answer
    x = 121,552.98

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Why These Related Problems?

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