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Finding the Third Proportional to 195,665.63 and 279,055.13

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Solution

The third proportional to 195,665.63 and 279,055.13 is: 397,983.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,665.63 : 279,055.13 = 279,055.13 : x
  2. Step 2: Convert to fraction form
    195,665.63/279,055.13 = 279,055.13/x
  3. Step 3: Cross multiply
    195,665.63x = 279,055.13 × 279,055.13
  4. Step 4: Simplify right side
    195,665.63x = 77,871,762,788.77
  5. Step 5: Solve for x
    x = 77,871,762,788.77/195,665.63
  6. Step 6: Final answer
    x = 397,983.87

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.