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Finding the Third Proportional to 343,444 and 746,000

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Solution

The third proportional to 343,444 and 746,000 is: 1,620,398.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,444 : 746,000 = 746,000 : x
  2. Step 2: Convert to fraction form
    343,444/746,000 = 746,000/x
  3. Step 3: Cross multiply
    343,444x = 746,000 × 746,000
  4. Step 4: Simplify right side
    343,444x = 556,516,000,000
  5. Step 5: Solve for x
    x = 556,516,000,000/343,444
  6. Step 6: Final answer
    x = 1,620,398.09

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.