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Finding the Third Proportional to 138,567.38 and 297,853.88

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Solution

The third proportional to 138,567.38 and 297,853.88 is: 640,244.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,567.38 : 297,853.88 = 297,853.88 : x
  2. Step 2: Convert to fraction form
    138,567.38/297,853.88 = 297,853.88/x
  3. Step 3: Cross multiply
    138,567.38x = 297,853.88 × 297,853.88
  4. Step 4: Simplify right side
    138,567.38x = 88,716,930,852.52
  5. Step 5: Solve for x
    x = 88,716,930,852.52/138,567.38
  6. Step 6: Final answer
    x = 640,244.00

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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.