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Finding the Third Proportional to 79,155,016 and 121,086,548

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Solution

The third proportional to 79,155,016 and 121,086,548 is: 185,230,865.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,155,016 : 121,086,548 = 121,086,548 : x
  2. Step 2: Convert to fraction form
    79,155,016/121,086,548 = 121,086,548/x
  3. Step 3: Cross multiply
    79,155,016x = 121,086,548 × 121,086,548
  4. Step 4: Simplify right side
    79,155,016x = 14,661,952,106,556,304
  5. Step 5: Solve for x
    x = 14,661,952,106,556,304/79,155,016
  6. Step 6: Final answer
    x = 185,230,865.30

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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.