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Finding the Third Proportional to 63,572.63 and 138,215.25

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Solution

The third proportional to 63,572.63 and 138,215.25 is: 300,498.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,572.63 : 138,215.25 = 138,215.25 : x
  2. Step 2: Convert to fraction form
    63,572.63/138,215.25 = 138,215.25/x
  3. Step 3: Cross multiply
    63,572.63x = 138,215.25 × 138,215.25
  4. Step 4: Simplify right side
    63,572.63x = 19,103,455,332.56
  5. Step 5: Solve for x
    x = 19,103,455,332.56/63,572.63
  6. Step 6: Final answer
    x = 300,498.14

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.