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Finding the Third Proportional to 55,812 and 81,652.50

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Solution

The third proportional to 55,812 and 81,652.50 is: 119,456.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,812 : 81,652.50 = 81,652.50 : x
  2. Step 2: Convert to fraction form
    55,812/81,652.50 = 81,652.50/x
  3. Step 3: Cross multiply
    55,812x = 81,652.50 × 81,652.50
  4. Step 4: Simplify right side
    55,812x = 6,667,130,756.25
  5. Step 5: Solve for x
    x = 6,667,130,756.25/55,812
  6. Step 6: Final answer
    x = 119,456.94

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.