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Finding the Third Proportional to 16,872,369 and 25,197,990

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Solution

The third proportional to 16,872,369 and 25,197,990 is: 37,631,864.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,872,369 : 25,197,990 = 25,197,990 : x
  2. Step 2: Convert to fraction form
    16,872,369/25,197,990 = 25,197,990/x
  3. Step 3: Cross multiply
    16,872,369x = 25,197,990 × 25,197,990
  4. Step 4: Simplify right side
    16,872,369x = 634,938,700,040,100
  5. Step 5: Solve for x
    x = 634,938,700,040,100/16,872,369
  6. Step 6: Final answer
    x = 37,631,864.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.