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Finding the Third Proportional to 7,448 and 18,364

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Solution

The third proportional to 7,448 and 18,364 is: 45,278.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448 : 18,364 = 18,364 : x
  2. Step 2: Convert to fraction form
    7,448/18,364 = 18,364/x
  3. Step 3: Cross multiply
    7,448x = 18,364 × 18,364
  4. Step 4: Simplify right side
    7,448x = 337,236,496
  5. Step 5: Solve for x
    x = 337,236,496/7,448
  6. Step 6: Final answer
    x = 45,278.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.