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Finding the Third Proportional to 742,610 and 1,115,555

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Solution

The third proportional to 742,610 and 1,115,555 is: 1,675,796.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,610 : 1,115,555 = 1,115,555 : x
  2. Step 2: Convert to fraction form
    742,610/1,115,555 = 1,115,555/x
  3. Step 3: Cross multiply
    742,610x = 1,115,555 × 1,115,555
  4. Step 4: Simplify right side
    742,610x = 1,244,462,958,025
  5. Step 5: Solve for x
    x = 1,244,462,958,025/742,610
  6. Step 6: Final answer
    x = 1,675,796.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.