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Finding the Third Proportional to 862,365 and 1,814,115

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Solution

The third proportional to 862,365 and 1,814,115 is: 3,816,264.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,365 : 1,814,115 = 1,814,115 : x
  2. Step 2: Convert to fraction form
    862,365/1,814,115 = 1,814,115/x
  3. Step 3: Cross multiply
    862,365x = 1,814,115 × 1,814,115
  4. Step 4: Simplify right side
    862,365x = 3,291,013,233,225
  5. Step 5: Solve for x
    x = 3,291,013,233,225/862,365
  6. Step 6: Final answer
    x = 3,816,264.85

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.