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Finding the Third Proportional to 56,591,659.50 and 121,250,890.50

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Solution

The third proportional to 56,591,659.50 and 121,250,890.50 is: 259,787,017.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,591,659.50 : 121,250,890.50 = 121,250,890.50 : x
  2. Step 2: Convert to fraction form
    56,591,659.50/121,250,890.50 = 121,250,890.50/x
  3. Step 3: Cross multiply
    56,591,659.50x = 121,250,890.50 × 121,250,890.50
  4. Step 4: Simplify right side
    56,591,659.50x = 14,701,778,447,042,990
  5. Step 5: Solve for x
    x = 14,701,778,447,042,990/56,591,659.50
  6. Step 6: Final answer
    x = 259,787,017.68

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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.