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Finding the Third Proportional to 453,183.75 and 635,278.50

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Solution

The third proportional to 453,183.75 and 635,278.50 is: 890,541.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,183.75 : 635,278.50 = 635,278.50 : x
  2. Step 2: Convert to fraction form
    453,183.75/635,278.50 = 635,278.50/x
  3. Step 3: Cross multiply
    453,183.75x = 635,278.50 × 635,278.50
  4. Step 4: Simplify right side
    453,183.75x = 403,578,772,562.25
  5. Step 5: Solve for x
    x = 403,578,772,562.25/453,183.75
  6. Step 6: Final answer
    x = 890,541.14

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.