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Finding the Third Proportional to 289,533 and 417,694.50

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Solution

The third proportional to 289,533 and 417,694.50 is: 602,586.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,533 : 417,694.50 = 417,694.50 : x
  2. Step 2: Convert to fraction form
    289,533/417,694.50 = 417,694.50/x
  3. Step 3: Cross multiply
    289,533x = 417,694.50 × 417,694.50
  4. Step 4: Simplify right side
    289,533x = 174,468,695,330.25
  5. Step 5: Solve for x
    x = 174,468,695,330.25/289,533
  6. Step 6: Final answer
    x = 602,586.56

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.