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Finding the Third Proportional to 618,254.65 and 1,345,380.89

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Solution

The third proportional to 618,254.65 and 1,345,380.89 is: 2,927,676.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,254.65 : 1,345,380.89 = 1,345,380.89 : x
  2. Step 2: Convert to fraction form
    618,254.65/1,345,380.89 = 1,345,380.89/x
  3. Step 3: Cross multiply
    618,254.65x = 1,345,380.89 × 1,345,380.89
  4. Step 4: Simplify right side
    618,254.65x = 1,810,049,740,858.92
  5. Step 5: Solve for x
    x = 1,810,049,740,858.92/618,254.65
  6. Step 6: Final answer
    x = 2,927,676.72

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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.