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Finding the Third Proportional to 213,249 and 459,303

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Solution

The third proportional to 213,249 and 459,303 is: 989,262.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,249 : 459,303 = 459,303 : x
  2. Step 2: Convert to fraction form
    213,249/459,303 = 459,303/x
  3. Step 3: Cross multiply
    213,249x = 459,303 × 459,303
  4. Step 4: Simplify right side
    213,249x = 210,959,245,809
  5. Step 5: Solve for x
    x = 210,959,245,809/213,249
  6. Step 6: Final answer
    x = 989,262.53

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.