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Finding the Third Proportional to 15,616 and 24,896

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Solution

The third proportional to 15,616 and 24,896 is: 39,690.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,616 : 24,896 = 24,896 : x
  2. Step 2: Convert to fraction form
    15,616/24,896 = 24,896/x
  3. Step 3: Cross multiply
    15,616x = 24,896 × 24,896
  4. Step 4: Simplify right side
    15,616x = 619,810,816
  5. Step 5: Solve for x
    x = 619,810,816/15,616
  6. Step 6: Final answer
    x = 39,690.75

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.