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Finding the Third Proportional to 348,378 and 527,384

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Solution

The third proportional to 348,378 and 527,384 is: 798,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,378 : 527,384 = 527,384 : x
  2. Step 2: Convert to fraction form
    348,378/527,384 = 527,384/x
  3. Step 3: Cross multiply
    348,378x = 527,384 × 527,384
  4. Step 4: Simplify right side
    348,378x = 278,133,883,456
  5. Step 5: Solve for x
    x = 278,133,883,456/348,378
  6. Step 6: Final answer
    x = 798,368.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.