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Finding the Third Proportional to 258,168 and 371,833

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Solution

The third proportional to 258,168 and 371,833 is: 535,541.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,168 : 371,833 = 371,833 : x
  2. Step 2: Convert to fraction form
    258,168/371,833 = 371,833/x
  3. Step 3: Cross multiply
    258,168x = 371,833 × 371,833
  4. Step 4: Simplify right side
    258,168x = 138,259,779,889
  5. Step 5: Solve for x
    x = 138,259,779,889/258,168
  6. Step 6: Final answer
    x = 535,541.89

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.