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Finding the Third Proportional to 487,296 and 730,944

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Solution

The third proportional to 487,296 and 730,944 is: 1,096,416

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,296 : 730,944 = 730,944 : x
  2. Step 2: Convert to fraction form
    487,296/730,944 = 730,944/x
  3. Step 3: Cross multiply
    487,296x = 730,944 × 730,944
  4. Step 4: Simplify right side
    487,296x = 534,279,131,136
  5. Step 5: Solve for x
    x = 534,279,131,136/487,296
  6. Step 6: Final answer
    x = 1,096,416

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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.