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Finding the Third Proportional to 15,326,911 and 25,543,823

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Solution

The third proportional to 15,326,911 and 25,543,823 is: 42,571,323.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,326,911 : 25,543,823 = 25,543,823 : x
  2. Step 2: Convert to fraction form
    15,326,911/25,543,823 = 25,543,823/x
  3. Step 3: Cross multiply
    15,326,911x = 25,543,823 × 25,543,823
  4. Step 4: Simplify right side
    15,326,911x = 652,486,893,455,329
  5. Step 5: Solve for x
    x = 652,486,893,455,329/15,326,911
  6. Step 6: Final answer
    x = 42,571,323.96

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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.