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Finding the Third Proportional to 136,683 and 287,184

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Solution

The third proportional to 136,683 and 287,184 is: 603,400.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,683 : 287,184 = 287,184 : x
  2. Step 2: Convert to fraction form
    136,683/287,184 = 287,184/x
  3. Step 3: Cross multiply
    136,683x = 287,184 × 287,184
  4. Step 4: Simplify right side
    136,683x = 82,474,649,856
  5. Step 5: Solve for x
    x = 82,474,649,856/136,683
  6. Step 6: Final answer
    x = 603,400.93

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.