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Finding the Third Proportional to 372,440 and 803,936

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Solution

The third proportional to 372,440 and 803,936 is: 1,735,348.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,440 : 803,936 = 803,936 : x
  2. Step 2: Convert to fraction form
    372,440/803,936 = 803,936/x
  3. Step 3: Cross multiply
    372,440x = 803,936 × 803,936
  4. Step 4: Simplify right side
    372,440x = 646,313,092,096
  5. Step 5: Solve for x
    x = 646,313,092,096/372,440
  6. Step 6: Final answer
    x = 1,735,348.22

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.