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Finding the Third Proportional to 353,151 and 540,330

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Solution

The third proportional to 353,151 and 540,330 is: 826,718.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,151 : 540,330 = 540,330 : x
  2. Step 2: Convert to fraction form
    353,151/540,330 = 540,330/x
  3. Step 3: Cross multiply
    353,151x = 540,330 × 540,330
  4. Step 4: Simplify right side
    353,151x = 291,956,508,900
  5. Step 5: Solve for x
    x = 291,956,508,900/353,151
  6. Step 6: Final answer
    x = 826,718.62

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.