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Finding the Third Proportional to 7,617 and 16,631.25

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Solution

The third proportional to 7,617 and 16,631.25 is: 36,313.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617 : 16,631.25 = 16,631.25 : x
  2. Step 2: Convert to fraction form
    7,617/16,631.25 = 16,631.25/x
  3. Step 3: Cross multiply
    7,617x = 16,631.25 × 16,631.25
  4. Step 4: Simplify right side
    7,617x = 276,598,476.56
  5. Step 5: Solve for x
    x = 276,598,476.56/7,617
  6. Step 6: Final answer
    x = 36,313.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.