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Finding the Third Proportional to 15,913 and 34,888

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Solution

The third proportional to 15,913 and 34,888 is: 76,489.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,913 : 34,888 = 34,888 : x
  2. Step 2: Convert to fraction form
    15,913/34,888 = 34,888/x
  3. Step 3: Cross multiply
    15,913x = 34,888 × 34,888
  4. Step 4: Simplify right side
    15,913x = 1,217,172,544
  5. Step 5: Solve for x
    x = 1,217,172,544/15,913
  6. Step 6: Final answer
    x = 76,489.19

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.