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Finding the Third Proportional to 15,155 and 32,416

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Solution

The third proportional to 15,155 and 32,416 is: 69,336.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,155 : 32,416 = 32,416 : x
  2. Step 2: Convert to fraction form
    15,155/32,416 = 32,416/x
  3. Step 3: Cross multiply
    15,155x = 32,416 × 32,416
  4. Step 4: Simplify right side
    15,155x = 1,050,797,056
  5. Step 5: Solve for x
    x = 1,050,797,056/15,155
  6. Step 6: Final answer
    x = 69,336.66

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.