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Finding the Third Proportional to 241,578 and 355,263

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Solution

The third proportional to 241,578 and 355,263 is: 522,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,578 : 355,263 = 355,263 : x
  2. Step 2: Convert to fraction form
    241,578/355,263 = 355,263/x
  3. Step 3: Cross multiply
    241,578x = 355,263 × 355,263
  4. Step 4: Simplify right side
    241,578x = 126,211,799,169
  5. Step 5: Solve for x
    x = 126,211,799,169/241,578
  6. Step 6: Final answer
    x = 522,447.40

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.