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Finding the Third Proportional to 10,423,422 and 15,717,156

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Solution

The third proportional to 10,423,422 and 15,717,156 is: 23,699,413.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,423,422 : 15,717,156 = 15,717,156 : x
  2. Step 2: Convert to fraction form
    10,423,422/15,717,156 = 15,717,156/x
  3. Step 3: Cross multiply
    10,423,422x = 15,717,156 × 15,717,156
  4. Step 4: Simplify right side
    10,423,422x = 247,028,992,728,336
  5. Step 5: Solve for x
    x = 247,028,992,728,336/10,423,422
  6. Step 6: Final answer
    x = 23,699,413.95

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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.