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Finding the Third Proportional to 15,508,576 and 25,757,774

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Solution

The third proportional to 15,508,576 and 25,757,774 is: 42,780,389.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,508,576 : 25,757,774 = 25,757,774 : x
  2. Step 2: Convert to fraction form
    15,508,576/25,757,774 = 25,757,774/x
  3. Step 3: Cross multiply
    15,508,576x = 25,757,774 × 25,757,774
  4. Step 4: Simplify right side
    15,508,576x = 663,462,921,435,076
  5. Step 5: Solve for x
    x = 663,462,921,435,076/15,508,576
  6. Step 6: Final answer
    x = 42,780,389.47

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.