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Finding the Third Proportional to 451,620.69 and 660,475.88

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Solution

The third proportional to 451,620.69 and 660,475.88 is: 965,917.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,620.69 : 660,475.88 = 660,475.88 : x
  2. Step 2: Convert to fraction form
    451,620.69/660,475.88 = 660,475.88/x
  3. Step 3: Cross multiply
    451,620.69x = 660,475.88 × 660,475.88
  4. Step 4: Simplify right side
    451,620.69x = 436,228,381,457.02
  5. Step 5: Solve for x
    x = 436,228,381,457.02/451,620.69
  6. Step 6: Final answer
    x = 965,917.62

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.