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Finding the Third Proportional to 54,865.13 and 117,913.50

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Solution

The third proportional to 54,865.13 and 117,913.50 is: 253,414.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,865.13 : 117,913.50 = 117,913.50 : x
  2. Step 2: Convert to fraction form
    54,865.13/117,913.50 = 117,913.50/x
  3. Step 3: Cross multiply
    54,865.13x = 117,913.50 × 117,913.50
  4. Step 4: Simplify right side
    54,865.13x = 13,903,593,482.25
  5. Step 5: Solve for x
    x = 13,903,593,482.25/54,865.13
  6. Step 6: Final answer
    x = 253,414.05

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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.