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Finding the Third Proportional to 54,810.75 and 117,778.50

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Solution

The third proportional to 54,810.75 and 117,778.50 is: 253,084.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,810.75 : 117,778.50 = 117,778.50 : x
  2. Step 2: Convert to fraction form
    54,810.75/117,778.50 = 117,778.50/x
  3. Step 3: Cross multiply
    54,810.75x = 117,778.50 × 117,778.50
  4. Step 4: Simplify right side
    54,810.75x = 13,871,775,062.25
  5. Step 5: Solve for x
    x = 13,871,775,062.25/54,810.75
  6. Step 6: Final answer
    x = 253,084.93

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.