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Finding the Third Proportional to 386,355 and 567,957

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Solution

The third proportional to 386,355 and 567,957 is: 834,919.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,355 : 567,957 = 567,957 : x
  2. Step 2: Convert to fraction form
    386,355/567,957 = 567,957/x
  3. Step 3: Cross multiply
    386,355x = 567,957 × 567,957
  4. Step 4: Simplify right side
    386,355x = 322,575,153,849
  5. Step 5: Solve for x
    x = 322,575,153,849/386,355
  6. Step 6: Final answer
    x = 834,919.06

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.