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Finding the Third Proportional to 622,921 and 1,332,217

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Solution

The third proportional to 622,921 and 1,332,217 is: 2,849,160.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,921 : 1,332,217 = 1,332,217 : x
  2. Step 2: Convert to fraction form
    622,921/1,332,217 = 1,332,217/x
  3. Step 3: Cross multiply
    622,921x = 1,332,217 × 1,332,217
  4. Step 4: Simplify right side
    622,921x = 1,774,802,135,089
  5. Step 5: Solve for x
    x = 1,774,802,135,089/622,921
  6. Step 6: Final answer
    x = 2,849,160.86

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.