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Finding the Third Proportional to 453,505.50 and 669,876.75

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Solution

The third proportional to 453,505.50 and 669,876.75 is: 989,480.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,505.50 : 669,876.75 = 669,876.75 : x
  2. Step 2: Convert to fraction form
    453,505.50/669,876.75 = 669,876.75/x
  3. Step 3: Cross multiply
    453,505.50x = 669,876.75 × 669,876.75
  4. Step 4: Simplify right side
    453,505.50x = 448,734,860,190.56
  5. Step 5: Solve for x
    x = 448,734,860,190.56/453,505.50
  6. Step 6: Final answer
    x = 989,480.52

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.