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Finding the Third Proportional to 187,083 and 400,707

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Solution

The third proportional to 187,083 and 400,707 is: 858,261.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,083 : 400,707 = 400,707 : x
  2. Step 2: Convert to fraction form
    187,083/400,707 = 400,707/x
  3. Step 3: Cross multiply
    187,083x = 400,707 × 400,707
  4. Step 4: Simplify right side
    187,083x = 160,566,099,849
  5. Step 5: Solve for x
    x = 160,566,099,849/187,083
  6. Step 6: Final answer
    x = 858,261.31

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.