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Finding the Third Proportional to 9,351 and 19,995.75

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Solution

The third proportional to 9,351 and 19,995.75 is: 42,758.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,351 : 19,995.75 = 19,995.75 : x
  2. Step 2: Convert to fraction form
    9,351/19,995.75 = 19,995.75/x
  3. Step 3: Cross multiply
    9,351x = 19,995.75 × 19,995.75
  4. Step 4: Simplify right side
    9,351x = 399,830,018.06
  5. Step 5: Solve for x
    x = 399,830,018.06/9,351
  6. Step 6: Final answer
    x = 42,758.00

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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.