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Finding the Third Proportional to 179,155.55 and 388,200.09

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Solution

The third proportional to 179,155.55 and 388,200.09 is: 841,164.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,155.55 : 388,200.09 = 388,200.09 : x
  2. Step 2: Convert to fraction form
    179,155.55/388,200.09 = 388,200.09/x
  3. Step 3: Cross multiply
    179,155.55x = 388,200.09 × 388,200.09
  4. Step 4: Simplify right side
    179,155.55x = 150,699,312,787.51
  5. Step 5: Solve for x
    x = 150,699,312,787.51/179,155.55
  6. Step 6: Final answer
    x = 841,164.65

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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.