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Finding the Third Proportional to 667,984.50 and 1,455,855

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Solution

The third proportional to 667,984.50 and 1,455,855 is: 3,172,998.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,984.50 : 1,455,855 = 1,455,855 : x
  2. Step 2: Convert to fraction form
    667,984.50/1,455,855 = 1,455,855/x
  3. Step 3: Cross multiply
    667,984.50x = 1,455,855 × 1,455,855
  4. Step 4: Simplify right side
    667,984.50x = 2,119,513,781,025
  5. Step 5: Solve for x
    x = 2,119,513,781,025/667,984.50
  6. Step 6: Final answer
    x = 3,172,998.45

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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.