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Finding the Third Proportional to 102,628 and 153,530

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Solution

The third proportional to 102,628 and 153,530 is: 229,678.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,628 : 153,530 = 153,530 : x
  2. Step 2: Convert to fraction form
    102,628/153,530 = 153,530/x
  3. Step 3: Cross multiply
    102,628x = 153,530 × 153,530
  4. Step 4: Simplify right side
    102,628x = 23,571,460,900
  5. Step 5: Solve for x
    x = 23,571,460,900/102,628
  6. Step 6: Final answer
    x = 229,678.65

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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.