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Finding the Third Proportional to 200,408 and 437,752

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Solution

The third proportional to 200,408 and 437,752 is: 956,183.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,408 : 437,752 = 437,752 : x
  2. Step 2: Convert to fraction form
    200,408/437,752 = 437,752/x
  3. Step 3: Cross multiply
    200,408x = 437,752 × 437,752
  4. Step 4: Simplify right side
    200,408x = 191,626,813,504
  5. Step 5: Solve for x
    x = 191,626,813,504/200,408
  6. Step 6: Final answer
    x = 956,183.45

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.