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Finding the Third Proportional to 91,603 and 145,717

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Solution

The third proportional to 91,603 and 145,717 is: 231,798.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,603 : 145,717 = 145,717 : x
  2. Step 2: Convert to fraction form
    91,603/145,717 = 145,717/x
  3. Step 3: Cross multiply
    91,603x = 145,717 × 145,717
  4. Step 4: Simplify right side
    91,603x = 21,233,444,089
  5. Step 5: Solve for x
    x = 21,233,444,089/91,603
  6. Step 6: Final answer
    x = 231,798.57

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.