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Finding the Third Proportional to 210,612 and 454,437

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Solution

The third proportional to 210,612 and 454,437 is: 980,537.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,612 : 454,437 = 454,437 : x
  2. Step 2: Convert to fraction form
    210,612/454,437 = 454,437/x
  3. Step 3: Cross multiply
    210,612x = 454,437 × 454,437
  4. Step 4: Simplify right side
    210,612x = 206,512,986,969
  5. Step 5: Solve for x
    x = 206,512,986,969/210,612
  6. Step 6: Final answer
    x = 980,537.61

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.