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Finding the Third Proportional to 269,112 and 634,372

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Solution

The third proportional to 269,112 and 634,372 is: 1,495,391.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,112 : 634,372 = 634,372 : x
  2. Step 2: Convert to fraction form
    269,112/634,372 = 634,372/x
  3. Step 3: Cross multiply
    269,112x = 634,372 × 634,372
  4. Step 4: Simplify right side
    269,112x = 402,427,834,384
  5. Step 5: Solve for x
    x = 402,427,834,384/269,112
  6. Step 6: Final answer
    x = 1,495,391.64

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.