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Finding the Third Proportional to 353,472 and 531,360

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Solution

The third proportional to 353,472 and 531,360 is: 798,771.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,472 : 531,360 = 531,360 : x
  2. Step 2: Convert to fraction form
    353,472/531,360 = 531,360/x
  3. Step 3: Cross multiply
    353,472x = 531,360 × 531,360
  4. Step 4: Simplify right side
    353,472x = 282,343,449,600
  5. Step 5: Solve for x
    x = 282,343,449,600/353,472
  6. Step 6: Final answer
    x = 798,771.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.