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Finding the Third Proportional to 149,160 and 290,760

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Solution

The third proportional to 149,160 and 290,760 is: 566,783.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,160 : 290,760 = 290,760 : x
  2. Step 2: Convert to fraction form
    149,160/290,760 = 290,760/x
  3. Step 3: Cross multiply
    149,160x = 290,760 × 290,760
  4. Step 4: Simplify right side
    149,160x = 84,541,377,600
  5. Step 5: Solve for x
    x = 84,541,377,600/149,160
  6. Step 6: Final answer
    x = 566,783.17

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.