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Finding the Third Proportional to 2,037,221 and 4,317,289

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Solution

The third proportional to 2,037,221 and 4,317,289 is: 9,149,220.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037,221 : 4,317,289 = 4,317,289 : x
  2. Step 2: Convert to fraction form
    2,037,221/4,317,289 = 4,317,289/x
  3. Step 3: Cross multiply
    2,037,221x = 4,317,289 × 4,317,289
  4. Step 4: Simplify right side
    2,037,221x = 18,638,984,309,521
  5. Step 5: Solve for x
    x = 18,638,984,309,521/2,037,221
  6. Step 6: Final answer
    x = 9,149,220.59

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.