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Finding the Third Proportional to 617,872 and 955,182

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Solution

The third proportional to 617,872 and 955,182 is: 1,476,636.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,872 : 955,182 = 955,182 : x
  2. Step 2: Convert to fraction form
    617,872/955,182 = 955,182/x
  3. Step 3: Cross multiply
    617,872x = 955,182 × 955,182
  4. Step 4: Simplify right side
    617,872x = 912,372,653,124
  5. Step 5: Solve for x
    x = 912,372,653,124/617,872
  6. Step 6: Final answer
    x = 1,476,636.99

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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.