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Finding the Third Proportional to 393,865 and 595,454

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Solution

The third proportional to 393,865 and 595,454 is: 900,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,865 : 595,454 = 595,454 : x
  2. Step 2: Convert to fraction form
    393,865/595,454 = 595,454/x
  3. Step 3: Cross multiply
    393,865x = 595,454 × 595,454
  4. Step 4: Simplify right side
    393,865x = 354,565,466,116
  5. Step 5: Solve for x
    x = 354,565,466,116/393,865
  6. Step 6: Final answer
    x = 900,220.80

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.