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Finding the Third Proportional to 15,515,554 and 32,639,040

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Solution

The third proportional to 15,515,554 and 32,639,040 is: 68,660,579.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515,554 : 32,639,040 = 32,639,040 : x
  2. Step 2: Convert to fraction form
    15,515,554/32,639,040 = 32,639,040/x
  3. Step 3: Cross multiply
    15,515,554x = 32,639,040 × 32,639,040
  4. Step 4: Simplify right side
    15,515,554x = 1,065,306,932,121,600
  5. Step 5: Solve for x
    x = 1,065,306,932,121,600/15,515,554
  6. Step 6: Final answer
    x = 68,660,579.71

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.