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Finding the Third Proportional to 238,372 and 328,358

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Solution

The third proportional to 238,372 and 328,358 is: 452,313.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,372 : 328,358 = 328,358 : x
  2. Step 2: Convert to fraction form
    238,372/328,358 = 328,358/x
  3. Step 3: Cross multiply
    238,372x = 328,358 × 328,358
  4. Step 4: Simplify right side
    238,372x = 107,818,976,164
  5. Step 5: Solve for x
    x = 107,818,976,164/238,372
  6. Step 6: Final answer
    x = 452,313.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.