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Finding the Third Proportional to 49,720 and 106,532

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Solution

The third proportional to 49,720 and 106,532 is: 228,259.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,720 : 106,532 = 106,532 : x
  2. Step 2: Convert to fraction form
    49,720/106,532 = 106,532/x
  3. Step 3: Cross multiply
    49,720x = 106,532 × 106,532
  4. Step 4: Simplify right side
    49,720x = 11,349,067,024
  5. Step 5: Solve for x
    x = 11,349,067,024/49,720
  6. Step 6: Final answer
    x = 228,259.59

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.