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Finding the Third Proportional to 219,057 and 448,482

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Solution

The third proportional to 219,057 and 448,482 is: 918,190.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,057 : 448,482 = 448,482 : x
  2. Step 2: Convert to fraction form
    219,057/448,482 = 448,482/x
  3. Step 3: Cross multiply
    219,057x = 448,482 × 448,482
  4. Step 4: Simplify right side
    219,057x = 201,136,104,324
  5. Step 5: Solve for x
    x = 201,136,104,324/219,057
  6. Step 6: Final answer
    x = 918,190.72

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.