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Finding the Third Proportional to 15,580 and 33,802.75

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Solution

The third proportional to 15,580 and 33,802.75 is: 73,339.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,580 : 33,802.75 = 33,802.75 : x
  2. Step 2: Convert to fraction form
    15,580/33,802.75 = 33,802.75/x
  3. Step 3: Cross multiply
    15,580x = 33,802.75 × 33,802.75
  4. Step 4: Simplify right side
    15,580x = 1,142,625,907.56
  5. Step 5: Solve for x
    x = 1,142,625,907.56/15,580
  6. Step 6: Final answer
    x = 73,339.28

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.