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Finding the Third Proportional to 119,828 and 258,088

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Solution

The third proportional to 119,828 and 258,088 is: 555,875.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,828 : 258,088 = 258,088 : x
  2. Step 2: Convert to fraction form
    119,828/258,088 = 258,088/x
  3. Step 3: Cross multiply
    119,828x = 258,088 × 258,088
  4. Step 4: Simplify right side
    119,828x = 66,609,415,744
  5. Step 5: Solve for x
    x = 66,609,415,744/119,828
  6. Step 6: Final answer
    x = 555,875.22

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.