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Finding the Third Proportional to 326,006 and 691,264

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Solution

The third proportional to 326,006 and 691,264 is: 1,465,758.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,006 : 691,264 = 691,264 : x
  2. Step 2: Convert to fraction form
    326,006/691,264 = 691,264/x
  3. Step 3: Cross multiply
    326,006x = 691,264 × 691,264
  4. Step 4: Simplify right side
    326,006x = 477,845,917,696
  5. Step 5: Solve for x
    x = 477,845,917,696/326,006
  6. Step 6: Final answer
    x = 1,465,758.05

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.