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Finding the Third Proportional to 115,274,221 and 247,023,112

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Solution

The third proportional to 115,274,221 and 247,023,112 is: 529,350,077.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,274,221 : 247,023,112 = 247,023,112 : x
  2. Step 2: Convert to fraction form
    115,274,221/247,023,112 = 247,023,112/x
  3. Step 3: Cross multiply
    115,274,221x = 247,023,112 × 247,023,112
  4. Step 4: Simplify right side
    115,274,221x = 61,020,417,862,164,544
  5. Step 5: Solve for x
    x = 61,020,417,862,164,544/115,274,221
  6. Step 6: Final answer
    x = 529,350,077.86

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.