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Finding the Third Proportional to 272,647.69 and 578,508.75

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Solution

The third proportional to 272,647.69 and 578,508.75 is: 1,227,490.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,647.69 : 578,508.75 = 578,508.75 : x
  2. Step 2: Convert to fraction form
    272,647.69/578,508.75 = 578,508.75/x
  3. Step 3: Cross multiply
    272,647.69x = 578,508.75 × 578,508.75
  4. Step 4: Simplify right side
    272,647.69x = 334,672,373,826.56
  5. Step 5: Solve for x
    x = 334,672,373,826.56/272,647.69
  6. Step 6: Final answer
    x = 1,227,490.23

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.