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Finding the Third Proportional to 103,623 and 155,435

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Solution

The third proportional to 103,623 and 155,435 is: 233,153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,623 : 155,435 = 155,435 : x
  2. Step 2: Convert to fraction form
    103,623/155,435 = 155,435/x
  3. Step 3: Cross multiply
    103,623x = 155,435 × 155,435
  4. Step 4: Simplify right side
    103,623x = 24,160,039,225
  5. Step 5: Solve for x
    x = 24,160,039,225/103,623
  6. Step 6: Final answer
    x = 233,153.25

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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.