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Finding the Third Proportional to 439,147 and 958,618

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Solution

The third proportional to 439,147 and 958,618 is: 2,092,575.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,147 : 958,618 = 958,618 : x
  2. Step 2: Convert to fraction form
    439,147/958,618 = 958,618/x
  3. Step 3: Cross multiply
    439,147x = 958,618 × 958,618
  4. Step 4: Simplify right side
    439,147x = 918,948,469,924
  5. Step 5: Solve for x
    x = 918,948,469,924/439,147
  6. Step 6: Final answer
    x = 2,092,575.99

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.