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Finding the Third Proportional to 105,039 and 230,487

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Solution

The third proportional to 105,039 and 230,487 is: 505,757.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,039 : 230,487 = 230,487 : x
  2. Step 2: Convert to fraction form
    105,039/230,487 = 230,487/x
  3. Step 3: Cross multiply
    105,039x = 230,487 × 230,487
  4. Step 4: Simplify right side
    105,039x = 53,124,257,169
  5. Step 5: Solve for x
    x = 53,124,257,169/105,039
  6. Step 6: Final answer
    x = 505,757.45

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.