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Finding the Third Proportional to 15,408 and 36,360

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Solution

The third proportional to 15,408 and 36,360 is: 85,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408 : 36,360 = 36,360 : x
  2. Step 2: Convert to fraction form
    15,408/36,360 = 36,360/x
  3. Step 3: Cross multiply
    15,408x = 36,360 × 36,360
  4. Step 4: Simplify right side
    15,408x = 1,322,049,600
  5. Step 5: Solve for x
    x = 1,322,049,600/15,408
  6. Step 6: Final answer
    x = 85,802.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.