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Finding the Third Proportional to 155,742.75 and 222,711.75

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Solution

The third proportional to 155,742.75 and 222,711.75 is: 318,477.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,742.75 : 222,711.75 = 222,711.75 : x
  2. Step 2: Convert to fraction form
    155,742.75/222,711.75 = 222,711.75/x
  3. Step 3: Cross multiply
    155,742.75x = 222,711.75 × 222,711.75
  4. Step 4: Simplify right side
    155,742.75x = 49,600,523,588.06
  5. Step 5: Solve for x
    x = 49,600,523,588.06/155,742.75
  6. Step 6: Final answer
    x = 318,477.26

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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.