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Finding the Third Proportional to 190,884 and 407,048

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Solution

The third proportional to 190,884 and 407,048 is: 868,003.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,884 : 407,048 = 407,048 : x
  2. Step 2: Convert to fraction form
    190,884/407,048 = 407,048/x
  3. Step 3: Cross multiply
    190,884x = 407,048 × 407,048
  4. Step 4: Simplify right side
    190,884x = 165,688,074,304
  5. Step 5: Solve for x
    x = 165,688,074,304/190,884
  6. Step 6: Final answer
    x = 868,003.99

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.