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Finding the Third Proportional to 15,762 and 25,755

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Solution

The third proportional to 15,762 and 25,755 is: 42,083.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,762 : 25,755 = 25,755 : x
  2. Step 2: Convert to fraction form
    15,762/25,755 = 25,755/x
  3. Step 3: Cross multiply
    15,762x = 25,755 × 25,755
  4. Step 4: Simplify right side
    15,762x = 663,320,025
  5. Step 5: Solve for x
    x = 663,320,025/15,762
  6. Step 6: Final answer
    x = 42,083.49

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.