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Finding the Third Proportional to 303,752 and 664,690

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Solution

The third proportional to 303,752 and 664,690 is: 1,454,518.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,752 : 664,690 = 664,690 : x
  2. Step 2: Convert to fraction form
    303,752/664,690 = 664,690/x
  3. Step 3: Cross multiply
    303,752x = 664,690 × 664,690
  4. Step 4: Simplify right side
    303,752x = 441,812,796,100
  5. Step 5: Solve for x
    x = 441,812,796,100/303,752
  6. Step 6: Final answer
    x = 1,454,518.15

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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.