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Finding the Third Proportional to 15,326,820 and 25,543,676

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Solution

The third proportional to 15,326,820 and 25,543,676 is: 42,571,086.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,326,820 : 25,543,676 = 25,543,676 : x
  2. Step 2: Convert to fraction form
    15,326,820/25,543,676 = 25,543,676/x
  3. Step 3: Cross multiply
    15,326,820x = 25,543,676 × 25,543,676
  4. Step 4: Simplify right side
    15,326,820x = 652,479,383,592,976
  5. Step 5: Solve for x
    x = 652,479,383,592,976/15,326,820
  6. Step 6: Final answer
    x = 42,571,086.74

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.