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Finding the Third Proportional to 387,252.84 and 838,839.94

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Solution

The third proportional to 387,252.84 and 838,839.94 is: 1,817,036.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,252.84 : 838,839.94 = 838,839.94 : x
  2. Step 2: Convert to fraction form
    387,252.84/838,839.94 = 838,839.94/x
  3. Step 3: Cross multiply
    387,252.84x = 838,839.94 × 838,839.94
  4. Step 4: Simplify right side
    387,252.84x = 703,652,440,745.00
  5. Step 5: Solve for x
    x = 703,652,440,745.00/387,252.84
  6. Step 6: Final answer
    x = 1,817,036.21

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.