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Finding the Third Proportional to 16,468,920 and 36,288,432

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Solution

The third proportional to 16,468,920 and 36,288,432 is: 79,959,723.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,468,920 : 36,288,432 = 36,288,432 : x
  2. Step 2: Convert to fraction form
    16,468,920/36,288,432 = 36,288,432/x
  3. Step 3: Cross multiply
    16,468,920x = 36,288,432 × 36,288,432
  4. Step 4: Simplify right side
    16,468,920x = 1,316,850,297,018,624
  5. Step 5: Solve for x
    x = 1,316,850,297,018,624/16,468,920
  6. Step 6: Final answer
    x = 79,959,723.95

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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.