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Finding the Third Proportional to 70,506 and 109,227

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Solution

The third proportional to 70,506 and 109,227 is: 169,213.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,506 : 109,227 = 109,227 : x
  2. Step 2: Convert to fraction form
    70,506/109,227 = 109,227/x
  3. Step 3: Cross multiply
    70,506x = 109,227 × 109,227
  4. Step 4: Simplify right side
    70,506x = 11,930,537,529
  5. Step 5: Solve for x
    x = 11,930,537,529/70,506
  6. Step 6: Final answer
    x = 169,213.08

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.