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Finding the Third Proportional to 155,558.25 and 247,349.25

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Solution

The third proportional to 155,558.25 and 247,349.25 is: 393,303.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,558.25 : 247,349.25 = 247,349.25 : x
  2. Step 2: Convert to fraction form
    155,558.25/247,349.25 = 247,349.25/x
  3. Step 3: Cross multiply
    155,558.25x = 247,349.25 × 247,349.25
  4. Step 4: Simplify right side
    155,558.25x = 61,181,651,475.56
  5. Step 5: Solve for x
    x = 61,181,651,475.56/155,558.25
  6. Step 6: Final answer
    x = 393,303.80

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.