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Finding the Third Proportional to 223,440.75 and 488,658.38

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Solution

The third proportional to 223,440.75 and 488,658.38 is: 1,068,681.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,440.75 : 488,658.38 = 488,658.38 : x
  2. Step 2: Convert to fraction form
    223,440.75/488,658.38 = 488,658.38/x
  3. Step 3: Cross multiply
    223,440.75x = 488,658.38 × 488,658.38
  4. Step 4: Simplify right side
    223,440.75x = 238,787,007,457.64
  5. Step 5: Solve for x
    x = 238,787,007,457.64/223,440.75
  6. Step 6: Final answer
    x = 1,068,681.55

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.