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Finding the Third Proportional to 54,931.50 and 116,970.75

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Solution

The third proportional to 54,931.50 and 116,970.75 is: 249,076.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,931.50 : 116,970.75 = 116,970.75 : x
  2. Step 2: Convert to fraction form
    54,931.50/116,970.75 = 116,970.75/x
  3. Step 3: Cross multiply
    54,931.50x = 116,970.75 × 116,970.75
  4. Step 4: Simplify right side
    54,931.50x = 13,682,156,355.56
  5. Step 5: Solve for x
    x = 13,682,156,355.56/54,931.50
  6. Step 6: Final answer
    x = 249,076.69

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.