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Finding the Third Proportional to 113,620.50 and 168,243.75

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Solution

The third proportional to 113,620.50 and 168,243.75 is: 249,127.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,620.50 : 168,243.75 = 168,243.75 : x
  2. Step 2: Convert to fraction form
    113,620.50/168,243.75 = 168,243.75/x
  3. Step 3: Cross multiply
    113,620.50x = 168,243.75 × 168,243.75
  4. Step 4: Simplify right side
    113,620.50x = 28,305,959,414.06
  5. Step 5: Solve for x
    x = 28,305,959,414.06/113,620.50
  6. Step 6: Final answer
    x = 249,127.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.