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Finding the Third Proportional to 151,378 and 234,392

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Solution

The third proportional to 151,378 and 234,392 is: 362,929.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,378 : 234,392 = 234,392 : x
  2. Step 2: Convert to fraction form
    151,378/234,392 = 234,392/x
  3. Step 3: Cross multiply
    151,378x = 234,392 × 234,392
  4. Step 4: Simplify right side
    151,378x = 54,939,609,664
  5. Step 5: Solve for x
    x = 54,939,609,664/151,378
  6. Step 6: Final answer
    x = 362,929.95

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.