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Finding the Third Proportional to 6,128 and 12,368

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Solution

The third proportional to 6,128 and 12,368 is: 24,962.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128 : 12,368 = 12,368 : x
  2. Step 2: Convert to fraction form
    6,128/12,368 = 12,368/x
  3. Step 3: Cross multiply
    6,128x = 12,368 × 12,368
  4. Step 4: Simplify right side
    6,128x = 152,967,424
  5. Step 5: Solve for x
    x = 152,967,424/6,128
  6. Step 6: Final answer
    x = 24,962.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.