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Finding the Third Proportional to 102,019 and 155,287

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Solution

The third proportional to 102,019 and 155,287 is: 236,368.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,019 : 155,287 = 155,287 : x
  2. Step 2: Convert to fraction form
    102,019/155,287 = 155,287/x
  3. Step 3: Cross multiply
    102,019x = 155,287 × 155,287
  4. Step 4: Simplify right side
    102,019x = 24,114,052,369
  5. Step 5: Solve for x
    x = 24,114,052,369/102,019
  6. Step 6: Final answer
    x = 236,368.25

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.