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Finding the Third Proportional to 6,220 and 9,738

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Solution

The third proportional to 6,220 and 9,738 is: 15,245.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220 : 9,738 = 9,738 : x
  2. Step 2: Convert to fraction form
    6,220/9,738 = 9,738/x
  3. Step 3: Cross multiply
    6,220x = 9,738 × 9,738
  4. Step 4: Simplify right side
    6,220x = 94,828,644
  5. Step 5: Solve for x
    x = 94,828,644/6,220
  6. Step 6: Final answer
    x = 15,245.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.