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Finding the Third Proportional to 79,216,443 and 121,177,221.75

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Solution

The third proportional to 79,216,443 and 121,177,221.75 is: 185,364,534.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,216,443 : 121,177,221.75 = 121,177,221.75 : x
  2. Step 2: Convert to fraction form
    79,216,443/121,177,221.75 = 121,177,221.75/x
  3. Step 3: Cross multiply
    79,216,443x = 121,177,221.75 × 121,177,221.75
  4. Step 4: Simplify right side
    79,216,443x = 14,683,919,071,048,674
  5. Step 5: Solve for x
    x = 14,683,919,071,048,674/79,216,443
  6. Step 6: Final answer
    x = 185,364,534.37

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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.