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Finding the Third Proportional to 145,833 and 319,098

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Solution

The third proportional to 145,833 and 319,098 is: 698,220.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,833 : 319,098 = 319,098 : x
  2. Step 2: Convert to fraction form
    145,833/319,098 = 319,098/x
  3. Step 3: Cross multiply
    145,833x = 319,098 × 319,098
  4. Step 4: Simplify right side
    145,833x = 101,823,533,604
  5. Step 5: Solve for x
    x = 101,823,533,604/145,833
  6. Step 6: Final answer
    x = 698,220.11

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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.