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Finding the Third Proportional to 617,874 and 955,185

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Solution

The third proportional to 617,874 and 955,185 is: 1,476,641.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,874 : 955,185 = 955,185 : x
  2. Step 2: Convert to fraction form
    617,874/955,185 = 955,185/x
  3. Step 3: Cross multiply
    617,874x = 955,185 × 955,185
  4. Step 4: Simplify right side
    617,874x = 912,378,384,225
  5. Step 5: Solve for x
    x = 912,378,384,225/617,874
  6. Step 6: Final answer
    x = 1,476,641.49

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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.