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Finding the Third Proportional to 376,903.50 and 820,252.50

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Solution

The third proportional to 376,903.50 and 820,252.50 is: 1,785,109.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,903.50 : 820,252.50 = 820,252.50 : x
  2. Step 2: Convert to fraction form
    376,903.50/820,252.50 = 820,252.50/x
  3. Step 3: Cross multiply
    376,903.50x = 820,252.50 × 820,252.50
  4. Step 4: Simplify right side
    376,903.50x = 672,814,163,756.25
  5. Step 5: Solve for x
    x = 672,814,163,756.25/376,903.50
  6. Step 6: Final answer
    x = 1,785,109.89

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.