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Finding the Third Proportional to 348,942 and 761,372

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Solution

The third proportional to 348,942 and 761,372 is: 1,661,271.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,942 : 761,372 = 761,372 : x
  2. Step 2: Convert to fraction form
    348,942/761,372 = 761,372/x
  3. Step 3: Cross multiply
    348,942x = 761,372 × 761,372
  4. Step 4: Simplify right side
    348,942x = 579,687,322,384
  5. Step 5: Solve for x
    x = 579,687,322,384/348,942
  6. Step 6: Final answer
    x = 1,661,271.28

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.