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Finding the Third Proportional to 15,323 and 32,312

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Solution

The third proportional to 15,323 and 32,312 is: 68,137.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,323 : 32,312 = 32,312 : x
  2. Step 2: Convert to fraction form
    15,323/32,312 = 32,312/x
  3. Step 3: Cross multiply
    15,323x = 32,312 × 32,312
  4. Step 4: Simplify right side
    15,323x = 1,044,065,344
  5. Step 5: Solve for x
    x = 1,044,065,344/15,323
  6. Step 6: Final answer
    x = 68,137.14

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.