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Finding the Third Proportional to 3,157,776 and 6,945,408

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Solution

The third proportional to 3,157,776 and 6,945,408 is: 15,276,160.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157,776 : 6,945,408 = 6,945,408 : x
  2. Step 2: Convert to fraction form
    3,157,776/6,945,408 = 6,945,408/x
  3. Step 3: Cross multiply
    3,157,776x = 6,945,408 × 6,945,408
  4. Step 4: Simplify right side
    3,157,776x = 48,238,692,286,464
  5. Step 5: Solve for x
    x = 48,238,692,286,464/3,157,776
  6. Step 6: Final answer
    x = 15,276,160.27

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.