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Finding the Third Proportional to 386,339 and 590,994

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Solution

The third proportional to 386,339 and 590,994 is: 904,060.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,339 : 590,994 = 590,994 : x
  2. Step 2: Convert to fraction form
    386,339/590,994 = 590,994/x
  3. Step 3: Cross multiply
    386,339x = 590,994 × 590,994
  4. Step 4: Simplify right side
    386,339x = 349,273,908,036
  5. Step 5: Solve for x
    x = 349,273,908,036/386,339
  6. Step 6: Final answer
    x = 904,060.70

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.