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Finding the Third Proportional to 15,858 and 34,442

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Solution

The third proportional to 15,858 and 34,442 is: 74,804.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,858 : 34,442 = 34,442 : x
  2. Step 2: Convert to fraction form
    15,858/34,442 = 34,442/x
  3. Step 3: Cross multiply
    15,858x = 34,442 × 34,442
  4. Step 4: Simplify right side
    15,858x = 1,186,251,364
  5. Step 5: Solve for x
    x = 1,186,251,364/15,858
  6. Step 6: Final answer
    x = 74,804.60

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.