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Finding the Third Proportional to 15,762 and 32,310

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Solution

The third proportional to 15,762 and 32,310 is: 66,231.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,762 : 32,310 = 32,310 : x
  2. Step 2: Convert to fraction form
    15,762/32,310 = 32,310/x
  3. Step 3: Cross multiply
    15,762x = 32,310 × 32,310
  4. Step 4: Simplify right side
    15,762x = 1,043,936,100
  5. Step 5: Solve for x
    x = 1,043,936,100/15,762
  6. Step 6: Final answer
    x = 66,231.20

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.