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Finding the Third Proportional to 264,436 and 402,846

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Solution

The third proportional to 264,436 and 402,846 is: 613,701.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,436 : 402,846 = 402,846 : x
  2. Step 2: Convert to fraction form
    264,436/402,846 = 402,846/x
  3. Step 3: Cross multiply
    264,436x = 402,846 × 402,846
  4. Step 4: Simplify right side
    264,436x = 162,284,899,716
  5. Step 5: Solve for x
    x = 162,284,899,716/264,436
  6. Step 6: Final answer
    x = 613,701.99

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.