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Finding the Third Proportional to 361,240 and 572,476

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Solution

The third proportional to 361,240 and 572,476 is: 907,232.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,240 : 572,476 = 572,476 : x
  2. Step 2: Convert to fraction form
    361,240/572,476 = 572,476/x
  3. Step 3: Cross multiply
    361,240x = 572,476 × 572,476
  4. Step 4: Simplify right side
    361,240x = 327,728,770,576
  5. Step 5: Solve for x
    x = 327,728,770,576/361,240
  6. Step 6: Final answer
    x = 907,232.78

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.