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Finding the Third Proportional to 162,217.76 and 349,394.87

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Solution

The third proportional to 162,217.76 and 349,394.87 is: 752,548.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,217.76 : 349,394.87 = 349,394.87 : x
  2. Step 2: Convert to fraction form
    162,217.76/349,394.87 = 349,394.87/x
  3. Step 3: Cross multiply
    162,217.76x = 349,394.87 × 349,394.87
  4. Step 4: Simplify right side
    162,217.76x = 122,076,778,249.76
  5. Step 5: Solve for x
    x = 122,076,778,249.76/162,217.76
  6. Step 6: Final answer
    x = 752,548.78

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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.