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Finding the Third Proportional to 7,980.75 and 17,343

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Solution

The third proportional to 7,980.75 and 17,343 is: 37,688.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980.75 : 17,343 = 17,343 : x
  2. Step 2: Convert to fraction form
    7,980.75/17,343 = 17,343/x
  3. Step 3: Cross multiply
    7,980.75x = 17,343 × 17,343
  4. Step 4: Simplify right side
    7,980.75x = 300,779,649
  5. Step 5: Solve for x
    x = 300,779,649/7,980.75
  6. Step 6: Final answer
    x = 37,688.14

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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.