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Finding the Third Proportional to 79,155,094 and 121,086,690

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Solution

The third proportional to 79,155,094 and 121,086,690 is: 185,231,117.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,155,094 : 121,086,690 = 121,086,690 : x
  2. Step 2: Convert to fraction form
    79,155,094/121,086,690 = 121,086,690/x
  3. Step 3: Cross multiply
    79,155,094x = 121,086,690 × 121,086,690
  4. Step 4: Simplify right side
    79,155,094x = 14,661,986,495,156,100
  5. Step 5: Solve for x
    x = 14,661,986,495,156,100/79,155,094
  6. Step 6: Final answer
    x = 185,231,117.22

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.