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Finding the Third Proportional to 7,040 and 12,616

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Solution

The third proportional to 7,040 and 12,616 is: 22,608.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040 : 12,616 = 12,616 : x
  2. Step 2: Convert to fraction form
    7,040/12,616 = 12,616/x
  3. Step 3: Cross multiply
    7,040x = 12,616 × 12,616
  4. Step 4: Simplify right side
    7,040x = 159,163,456
  5. Step 5: Solve for x
    x = 159,163,456/7,040
  6. Step 6: Final answer
    x = 22,608.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.