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Finding the Third Proportional to 385,918 and 596,379

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Solution

The third proportional to 385,918 and 596,379 is: 921,615.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,918 : 596,379 = 596,379 : x
  2. Step 2: Convert to fraction form
    385,918/596,379 = 596,379/x
  3. Step 3: Cross multiply
    385,918x = 596,379 × 596,379
  4. Step 4: Simplify right side
    385,918x = 355,667,911,641
  5. Step 5: Solve for x
    x = 355,667,911,641/385,918
  6. Step 6: Final answer
    x = 921,615.24

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.