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Finding the Third Proportional to 372,989 and 804,947

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Solution

The third proportional to 372,989 and 804,947 is: 1,737,154.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,989 : 804,947 = 804,947 : x
  2. Step 2: Convert to fraction form
    372,989/804,947 = 804,947/x
  3. Step 3: Cross multiply
    372,989x = 804,947 × 804,947
  4. Step 4: Simplify right side
    372,989x = 647,939,672,809
  5. Step 5: Solve for x
    x = 647,939,672,809/372,989
  6. Step 6: Final answer
    x = 1,737,154.91

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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.