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Finding the Third Proportional to 56,201 and 84,672.75

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Solution

The third proportional to 56,201 and 84,672.75 is: 127,568.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,201 : 84,672.75 = 84,672.75 : x
  2. Step 2: Convert to fraction form
    56,201/84,672.75 = 84,672.75/x
  3. Step 3: Cross multiply
    56,201x = 84,672.75 × 84,672.75
  4. Step 4: Simplify right side
    56,201x = 7,169,474,592.56
  5. Step 5: Solve for x
    x = 7,169,474,592.56/56,201
  6. Step 6: Final answer
    x = 127,568.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.