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Finding the Third Proportional to 181,109.63 and 393,331

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Solution

The third proportional to 181,109.63 and 393,331 is: 854,230.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,109.63 : 393,331 = 393,331 : x
  2. Step 2: Convert to fraction form
    181,109.63/393,331 = 393,331/x
  3. Step 3: Cross multiply
    181,109.63x = 393,331 × 393,331
  4. Step 4: Simplify right side
    181,109.63x = 154,709,275,561
  5. Step 5: Solve for x
    x = 154,709,275,561/181,109.63
  6. Step 6: Final answer
    x = 854,230.00

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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.