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Finding the Third Proportional to 384,142.50 and 553,375.13

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Solution

The third proportional to 384,142.50 and 553,375.13 is: 797,162.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,142.50 : 553,375.13 = 553,375.13 : x
  2. Step 2: Convert to fraction form
    384,142.50/553,375.13 = 553,375.13/x
  3. Step 3: Cross multiply
    384,142.50x = 553,375.13 × 553,375.13
  4. Step 4: Simplify right side
    384,142.50x = 306,224,028,968.77
  5. Step 5: Solve for x
    x = 306,224,028,968.77/384,142.50
  6. Step 6: Final answer
    x = 797,162.59

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.