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Finding the Third Proportional to 303,628.50 and 453,772.13

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Solution

The third proportional to 303,628.50 and 453,772.13 is: 678,161.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,628.50 : 453,772.13 = 453,772.13 : x
  2. Step 2: Convert to fraction form
    303,628.50/453,772.13 = 453,772.13/x
  3. Step 3: Cross multiply
    303,628.50x = 453,772.13 × 453,772.13
  4. Step 4: Simplify right side
    303,628.50x = 205,909,141,427.02
  5. Step 5: Solve for x
    x = 205,909,141,427.02/303,628.50
  6. Step 6: Final answer
    x = 678,161.44

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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.