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Finding the Third Proportional to 621,124 and 1,337,352

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Solution

The third proportional to 621,124 and 1,337,352 is: 2,879,473.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,124 : 1,337,352 = 1,337,352 : x
  2. Step 2: Convert to fraction form
    621,124/1,337,352 = 1,337,352/x
  3. Step 3: Cross multiply
    621,124x = 1,337,352 × 1,337,352
  4. Step 4: Simplify right side
    621,124x = 1,788,510,371,904
  5. Step 5: Solve for x
    x = 1,788,510,371,904/621,124
  6. Step 6: Final answer
    x = 2,879,473.94

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.