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Finding the Third Proportional to 113,917.50 and 249,279.75

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Solution

The third proportional to 113,917.50 and 249,279.75 is: 545,485.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,917.50 : 249,279.75 = 249,279.75 : x
  2. Step 2: Convert to fraction form
    113,917.50/249,279.75 = 249,279.75/x
  3. Step 3: Cross multiply
    113,917.50x = 249,279.75 × 249,279.75
  4. Step 4: Simplify right side
    113,917.50x = 62,140,393,760.06
  5. Step 5: Solve for x
    x = 62,140,393,760.06/113,917.50
  6. Step 6: Final answer
    x = 545,485.93

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.