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Finding the Third Proportional to 30,193.88 and 65,590.13

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Solution

The third proportional to 30,193.88 and 65,590.13 is: 142,481.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,193.88 : 65,590.13 = 65,590.13 : x
  2. Step 2: Convert to fraction form
    30,193.88/65,590.13 = 65,590.13/x
  3. Step 3: Cross multiply
    30,193.88x = 65,590.13 × 65,590.13
  4. Step 4: Simplify right side
    30,193.88x = 4,302,064,497.52
  5. Step 5: Solve for x
    x = 4,302,064,497.52/30,193.88
  6. Step 6: Final answer
    x = 142,481.36

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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.