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Finding the Third Proportional to 868,933 and 1,817,315

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Solution

The third proportional to 868,933 and 1,817,315 is: 3,800,792.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,933 : 1,817,315 = 1,817,315 : x
  2. Step 2: Convert to fraction form
    868,933/1,817,315 = 1,817,315/x
  3. Step 3: Cross multiply
    868,933x = 1,817,315 × 1,817,315
  4. Step 4: Simplify right side
    868,933x = 3,302,633,809,225
  5. Step 5: Solve for x
    x = 3,302,633,809,225/868,933
  6. Step 6: Final answer
    x = 3,800,792.25

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.