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Finding the Third Proportional to 18,275,256 and 40,635,480

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Solution

The third proportional to 18,275,256 and 40,635,480 is: 90,353,986.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,275,256 : 40,635,480 = 40,635,480 : x
  2. Step 2: Convert to fraction form
    18,275,256/40,635,480 = 40,635,480/x
  3. Step 3: Cross multiply
    18,275,256x = 40,635,480 × 40,635,480
  4. Step 4: Simplify right side
    18,275,256x = 1,651,242,234,830,400
  5. Step 5: Solve for x
    x = 1,651,242,234,830,400/18,275,256
  6. Step 6: Final answer
    x = 90,353,986.55

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.