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Finding the Third Proportional to 15,666 and 34,236

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Solution

The third proportional to 15,666 and 34,236 is: 74,818.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,666 : 34,236 = 34,236 : x
  2. Step 2: Convert to fraction form
    15,666/34,236 = 34,236/x
  3. Step 3: Cross multiply
    15,666x = 34,236 × 34,236
  4. Step 4: Simplify right side
    15,666x = 1,172,103,696
  5. Step 5: Solve for x
    x = 1,172,103,696/15,666
  6. Step 6: Final answer
    x = 74,818.31

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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.