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Finding the Third Proportional to 56,591,640 and 121,250,853

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Solution

The third proportional to 56,591,640 and 121,250,853 is: 259,786,946.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,591,640 : 121,250,853 = 121,250,853 : x
  2. Step 2: Convert to fraction form
    56,591,640/121,250,853 = 121,250,853/x
  3. Step 3: Cross multiply
    56,591,640x = 121,250,853 × 121,250,853
  4. Step 4: Simplify right side
    56,591,640x = 14,701,769,353,227,608
  5. Step 5: Solve for x
    x = 14,701,769,353,227,608/56,591,640
  6. Step 6: Final answer
    x = 259,786,946.50

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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.