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Finding the Third Proportional to 15,631 and 22,335

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Solution

The third proportional to 15,631 and 22,335 is: 31,914.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,631 : 22,335 = 22,335 : x
  2. Step 2: Convert to fraction form
    15,631/22,335 = 22,335/x
  3. Step 3: Cross multiply
    15,631x = 22,335 × 22,335
  4. Step 4: Simplify right side
    15,631x = 498,852,225
  5. Step 5: Solve for x
    x = 498,852,225/15,631
  6. Step 6: Final answer
    x = 31,914.29

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.