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Finding the Third Proportional to 2,221,842 and 3,318,229

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Solution

The third proportional to 2,221,842 and 3,318,229 is: 4,955,637.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,842 : 3,318,229 = 3,318,229 : x
  2. Step 2: Convert to fraction form
    2,221,842/3,318,229 = 3,318,229/x
  3. Step 3: Cross multiply
    2,221,842x = 3,318,229 × 3,318,229
  4. Step 4: Simplify right side
    2,221,842x = 11,010,643,696,441
  5. Step 5: Solve for x
    x = 11,010,643,696,441/2,221,842
  6. Step 6: Final answer
    x = 4,955,637.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.