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Finding the Third Proportional to 119,653 and 261,040

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Solution

The third proportional to 119,653 and 261,040 is: 569,495.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,653 : 261,040 = 261,040 : x
  2. Step 2: Convert to fraction form
    119,653/261,040 = 261,040/x
  3. Step 3: Cross multiply
    119,653x = 261,040 × 261,040
  4. Step 4: Simplify right side
    119,653x = 68,141,881,600
  5. Step 5: Solve for x
    x = 68,141,881,600/119,653
  6. Step 6: Final answer
    x = 569,495.81

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.