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Finding the Third Proportional to 31,078,438 and 48,645,247

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Solution

The third proportional to 31,078,438 and 48,645,247 is: 76,141,537.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,078,438 : 48,645,247 = 48,645,247 : x
  2. Step 2: Convert to fraction form
    31,078,438/48,645,247 = 48,645,247/x
  3. Step 3: Cross multiply
    31,078,438x = 48,645,247 × 48,645,247
  4. Step 4: Simplify right side
    31,078,438x = 2,366,360,055,691,009
  5. Step 5: Solve for x
    x = 2,366,360,055,691,009/31,078,438
  6. Step 6: Final answer
    x = 76,141,537.61

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.