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Finding the Third Proportional to 79,864,224 and 126,352,320

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Solution

The third proportional to 79,864,224 and 126,352,320 is: 199,900,630.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,864,224 : 126,352,320 = 126,352,320 : x
  2. Step 2: Convert to fraction form
    79,864,224/126,352,320 = 126,352,320/x
  3. Step 3: Cross multiply
    79,864,224x = 126,352,320 × 126,352,320
  4. Step 4: Simplify right side
    79,864,224x = 15,964,908,769,382,400
  5. Step 5: Solve for x
    x = 15,964,908,769,382,400/79,864,224
  6. Step 6: Final answer
    x = 199,900,630.97

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.