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Finding the Third Proportional to 181,678.50 and 260,061.75

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Solution

The third proportional to 181,678.50 and 260,061.75 is: 372,262.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,678.50 : 260,061.75 = 260,061.75 : x
  2. Step 2: Convert to fraction form
    181,678.50/260,061.75 = 260,061.75/x
  3. Step 3: Cross multiply
    181,678.50x = 260,061.75 × 260,061.75
  4. Step 4: Simplify right side
    181,678.50x = 67,632,113,813.06
  5. Step 5: Solve for x
    x = 67,632,113,813.06/181,678.50
  6. Step 6: Final answer
    x = 372,262.62

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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.