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Finding the Third Proportional to 47,618 and 103,438

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Solution

The third proportional to 47,618 and 103,438 is: 224,692.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,618 : 103,438 = 103,438 : x
  2. Step 2: Convert to fraction form
    47,618/103,438 = 103,438/x
  3. Step 3: Cross multiply
    47,618x = 103,438 × 103,438
  4. Step 4: Simplify right side
    47,618x = 10,699,419,844
  5. Step 5: Solve for x
    x = 10,699,419,844/47,618
  6. Step 6: Final answer
    x = 224,692.76

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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.