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Finding the Third Proportional to 165,440 and 362,389

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Solution

The third proportional to 165,440 and 362,389 is: 793,797.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,440 : 362,389 = 362,389 : x
  2. Step 2: Convert to fraction form
    165,440/362,389 = 362,389/x
  3. Step 3: Cross multiply
    165,440x = 362,389 × 362,389
  4. Step 4: Simplify right side
    165,440x = 131,325,787,321
  5. Step 5: Solve for x
    x = 131,325,787,321/165,440
  6. Step 6: Final answer
    x = 793,797.07

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.