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Finding the Third Proportional to 603,451 and 911,330

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Solution

The third proportional to 603,451 and 911,330 is: 1,376,288.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,451 : 911,330 = 911,330 : x
  2. Step 2: Convert to fraction form
    603,451/911,330 = 911,330/x
  3. Step 3: Cross multiply
    603,451x = 911,330 × 911,330
  4. Step 4: Simplify right side
    603,451x = 830,522,368,900
  5. Step 5: Solve for x
    x = 830,522,368,900/603,451
  6. Step 6: Final answer
    x = 1,376,288.00

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.