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Finding the Third Proportional to 415,990 and 594,454

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Solution

The third proportional to 415,990 and 594,454 is: 849,480.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,990 : 594,454 = 594,454 : x
  2. Step 2: Convert to fraction form
    415,990/594,454 = 594,454/x
  3. Step 3: Cross multiply
    415,990x = 594,454 × 594,454
  4. Step 4: Simplify right side
    415,990x = 353,375,558,116
  5. Step 5: Solve for x
    x = 353,375,558,116/415,990
  6. Step 6: Final answer
    x = 849,480.90

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.