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Finding the Third Proportional to 17,490,468 and 38,424,408

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Solution

The third proportional to 17,490,468 and 38,424,408 is: 84,413,700.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,490,468 : 38,424,408 = 38,424,408 : x
  2. Step 2: Convert to fraction form
    17,490,468/38,424,408 = 38,424,408/x
  3. Step 3: Cross multiply
    17,490,468x = 38,424,408 × 38,424,408
  4. Step 4: Simplify right side
    17,490,468x = 1,476,435,130,150,464
  5. Step 5: Solve for x
    x = 1,476,435,130,150,464/17,490,468
  6. Step 6: Final answer
    x = 84,413,700.66

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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.