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Finding the Third Proportional to 248,634 and 368,289

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Solution

The third proportional to 248,634 and 368,289 is: 545,527.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,634 : 368,289 = 368,289 : x
  2. Step 2: Convert to fraction form
    248,634/368,289 = 368,289/x
  3. Step 3: Cross multiply
    248,634x = 368,289 × 368,289
  4. Step 4: Simplify right side
    248,634x = 135,636,787,521
  5. Step 5: Solve for x
    x = 135,636,787,521/248,634
  6. Step 6: Final answer
    x = 545,527.91

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.