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Finding the Third Proportional to 637,882 and 987,927

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Solution

The third proportional to 637,882 and 987,927 is: 1,530,063.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,882 : 987,927 = 987,927 : x
  2. Step 2: Convert to fraction form
    637,882/987,927 = 987,927/x
  3. Step 3: Cross multiply
    637,882x = 987,927 × 987,927
  4. Step 4: Simplify right side
    637,882x = 975,999,757,329
  5. Step 5: Solve for x
    x = 975,999,757,329/637,882
  6. Step 6: Final answer
    x = 1,530,063.17

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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.