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Finding the Third Proportional to 454,981.50 and 678,093.75

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Solution

The third proportional to 454,981.50 and 678,093.75 is: 1,010,615.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,981.50 : 678,093.75 = 678,093.75 : x
  2. Step 2: Convert to fraction form
    454,981.50/678,093.75 = 678,093.75/x
  3. Step 3: Cross multiply
    454,981.50x = 678,093.75 × 678,093.75
  4. Step 4: Simplify right side
    454,981.50x = 459,811,133,789.06
  5. Step 5: Solve for x
    x = 459,811,133,789.06/454,981.50
  6. Step 6: Final answer
    x = 1,010,615.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.