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Finding the Third Proportional to 15,770 and 33,646

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Solution

The third proportional to 15,770 and 33,646 is: 71,785.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,770 : 33,646 = 33,646 : x
  2. Step 2: Convert to fraction form
    15,770/33,646 = 33,646/x
  3. Step 3: Cross multiply
    15,770x = 33,646 × 33,646
  4. Step 4: Simplify right side
    15,770x = 1,132,053,316
  5. Step 5: Solve for x
    x = 1,132,053,316/15,770
  6. Step 6: Final answer
    x = 71,785.25

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.