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Finding the Third Proportional to 15,807 and 33,863

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Solution

The third proportional to 15,807 and 33,863 is: 72,543.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,807 : 33,863 = 33,863 : x
  2. Step 2: Convert to fraction form
    15,807/33,863 = 33,863/x
  3. Step 3: Cross multiply
    15,807x = 33,863 × 33,863
  4. Step 4: Simplify right side
    15,807x = 1,146,702,769
  5. Step 5: Solve for x
    x = 1,146,702,769/15,807
  6. Step 6: Final answer
    x = 72,543.98

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.