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Finding the Third Proportional to 454,639.50 and 987,903

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Solution

The third proportional to 454,639.50 and 987,903 is: 2,146,651.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,639.50 : 987,903 = 987,903 : x
  2. Step 2: Convert to fraction form
    454,639.50/987,903 = 987,903/x
  3. Step 3: Cross multiply
    454,639.50x = 987,903 × 987,903
  4. Step 4: Simplify right side
    454,639.50x = 975,952,337,409
  5. Step 5: Solve for x
    x = 975,952,337,409/454,639.50
  6. Step 6: Final answer
    x = 2,146,651.00

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.