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Finding the Third Proportional to 11,516 and 17,446.25

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Solution

The third proportional to 11,516 and 17,446.25 is: 26,430.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,516 : 17,446.25 = 17,446.25 : x
  2. Step 2: Convert to fraction form
    11,516/17,446.25 = 17,446.25/x
  3. Step 3: Cross multiply
    11,516x = 17,446.25 × 17,446.25
  4. Step 4: Simplify right side
    11,516x = 304,371,639.06
  5. Step 5: Solve for x
    x = 304,371,639.06/11,516
  6. Step 6: Final answer
    x = 26,430.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.