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Finding the Third Proportional to 303,624 and 453,740

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Solution

The third proportional to 303,624 and 453,740 is: 678,075.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,624 : 453,740 = 453,740 : x
  2. Step 2: Convert to fraction form
    303,624/453,740 = 453,740/x
  3. Step 3: Cross multiply
    303,624x = 453,740 × 453,740
  4. Step 4: Simplify right side
    303,624x = 205,879,987,600
  5. Step 5: Solve for x
    x = 205,879,987,600/303,624
  6. Step 6: Final answer
    x = 678,075.47

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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.