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Finding the Third Proportional to 248,872 and 384,312

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Solution

The third proportional to 248,872 and 384,312 is: 593,460.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,872 : 384,312 = 384,312 : x
  2. Step 2: Convert to fraction form
    248,872/384,312 = 384,312/x
  3. Step 3: Cross multiply
    248,872x = 384,312 × 384,312
  4. Step 4: Simplify right side
    248,872x = 147,695,713,344
  5. Step 5: Solve for x
    x = 147,695,713,344/248,872
  6. Step 6: Final answer
    x = 593,460.55

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.