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Finding the Third Proportional to 7,706.25 and 11,615.63

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Solution

The third proportional to 7,706.25 and 11,615.63 is: 17,508.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,706.25 : 11,615.63 = 11,615.63 : x
  2. Step 2: Convert to fraction form
    7,706.25/11,615.63 = 11,615.63/x
  3. Step 3: Cross multiply
    7,706.25x = 11,615.63 × 11,615.63
  4. Step 4: Simplify right side
    7,706.25x = 134,922,744.14
  5. Step 5: Solve for x
    x = 134,922,744.14/7,706.25
  6. Step 6: Final answer
    x = 17,508.22

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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.