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Finding the Third Proportional to 18,408,408 and 28,814,436

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Solution

The third proportional to 18,408,408 and 28,814,436 is: 45,102,853.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,408,408 : 28,814,436 = 28,814,436 : x
  2. Step 2: Convert to fraction form
    18,408,408/28,814,436 = 28,814,436/x
  3. Step 3: Cross multiply
    18,408,408x = 28,814,436 × 28,814,436
  4. Step 4: Simplify right side
    18,408,408x = 830,271,721,998,096
  5. Step 5: Solve for x
    x = 830,271,721,998,096/18,408,408
  6. Step 6: Final answer
    x = 45,102,853.11

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.