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Finding the Third Proportional to 859,624 and 1,868,502

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Solution

The third proportional to 859,624 and 1,868,502 is: 4,061,426.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,624 : 1,868,502 = 1,868,502 : x
  2. Step 2: Convert to fraction form
    859,624/1,868,502 = 1,868,502/x
  3. Step 3: Cross multiply
    859,624x = 1,868,502 × 1,868,502
  4. Step 4: Simplify right side
    859,624x = 3,491,299,724,004
  5. Step 5: Solve for x
    x = 3,491,299,724,004/859,624
  6. Step 6: Final answer
    x = 4,061,426.54

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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.