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Finding the Third Proportional to 638,900 and 958,368

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Solution

The third proportional to 638,900 and 958,368 is: 1,437,579.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,900 : 958,368 = 958,368 : x
  2. Step 2: Convert to fraction form
    638,900/958,368 = 958,368/x
  3. Step 3: Cross multiply
    638,900x = 958,368 × 958,368
  4. Step 4: Simplify right side
    638,900x = 918,469,223,424
  5. Step 5: Solve for x
    x = 918,469,223,424/638,900
  6. Step 6: Final answer
    x = 1,437,579.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.