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Finding the Third Proportional to 15,645 and 22,810

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Solution

The third proportional to 15,645 and 22,810 is: 33,256.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,645 : 22,810 = 22,810 : x
  2. Step 2: Convert to fraction form
    15,645/22,810 = 22,810/x
  3. Step 3: Cross multiply
    15,645x = 22,810 × 22,810
  4. Step 4: Simplify right side
    15,645x = 520,296,100
  5. Step 5: Solve for x
    x = 520,296,100/15,645
  6. Step 6: Final answer
    x = 33,256.38

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.