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Finding the Third Proportional to 163,356.56 and 351,743.81

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Solution

The third proportional to 163,356.56 and 351,743.81 is: 757,384.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,356.56 : 351,743.81 = 351,743.81 : x
  2. Step 2: Convert to fraction form
    163,356.56/351,743.81 = 351,743.81/x
  3. Step 3: Cross multiply
    163,356.56x = 351,743.81 × 351,743.81
  4. Step 4: Simplify right side
    163,356.56x = 123,723,709,632.04
  5. Step 5: Solve for x
    x = 123,723,709,632.04/163,356.56
  6. Step 6: Final answer
    x = 757,384.39

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.