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Finding the Third Proportional to 420,001.03 and 987,260.06

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Solution

The third proportional to 420,001.03 and 987,260.06 is: 2,320,666.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,001.03 : 987,260.06 = 987,260.06 : x
  2. Step 2: Convert to fraction form
    420,001.03/987,260.06 = 987,260.06/x
  3. Step 3: Cross multiply
    420,001.03x = 987,260.06 × 987,260.06
  4. Step 4: Simplify right side
    420,001.03x = 974,682,431,007.50
  5. Step 5: Solve for x
    x = 974,682,431,007.50/420,001.03
  6. Step 6: Final answer
    x = 2,320,666.76

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.