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Finding the Third Proportional to 375,138 and 867,699

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Solution

The third proportional to 375,138 and 867,699 is: 2,006,998.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,138 : 867,699 = 867,699 : x
  2. Step 2: Convert to fraction form
    375,138/867,699 = 867,699/x
  3. Step 3: Cross multiply
    375,138x = 867,699 × 867,699
  4. Step 4: Simplify right side
    375,138x = 752,901,554,601
  5. Step 5: Solve for x
    x = 752,901,554,601/375,138
  6. Step 6: Final answer
    x = 2,006,998.90

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.