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Finding the Third Proportional to 10,351,215 and 15,671,893

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Solution

The third proportional to 10,351,215 and 15,671,893 is: 23,727,478.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351,215 : 15,671,893 = 15,671,893 : x
  2. Step 2: Convert to fraction form
    10,351,215/15,671,893 = 15,671,893/x
  3. Step 3: Cross multiply
    10,351,215x = 15,671,893 × 15,671,893
  4. Step 4: Simplify right side
    10,351,215x = 245,608,230,203,449
  5. Step 5: Solve for x
    x = 245,608,230,203,449/10,351,215
  6. Step 6: Final answer
    x = 23,727,478.39

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.