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Finding the Third Proportional to 403,860 and 627,096

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Solution

The third proportional to 403,860 and 627,096 is: 973,727.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,860 : 627,096 = 627,096 : x
  2. Step 2: Convert to fraction form
    403,860/627,096 = 627,096/x
  3. Step 3: Cross multiply
    403,860x = 627,096 × 627,096
  4. Step 4: Simplify right side
    403,860x = 393,249,393,216
  5. Step 5: Solve for x
    x = 393,249,393,216/403,860
  6. Step 6: Final answer
    x = 973,727.02

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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.