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Finding the Third Proportional to 14,363,972 and 20,155,505

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Solution

The third proportional to 14,363,972 and 20,155,505 is: 28,282,175.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,363,972 : 20,155,505 = 20,155,505 : x
  2. Step 2: Convert to fraction form
    14,363,972/20,155,505 = 20,155,505/x
  3. Step 3: Cross multiply
    14,363,972x = 20,155,505 × 20,155,505
  4. Step 4: Simplify right side
    14,363,972x = 406,244,381,805,025
  5. Step 5: Solve for x
    x = 406,244,381,805,025/14,363,972
  6. Step 6: Final answer
    x = 28,282,175.84

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.