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Finding the Third Proportional to 372,936 and 804,840

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Solution

The third proportional to 372,936 and 804,840 is: 1,736,939.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,936 : 804,840 = 804,840 : x
  2. Step 2: Convert to fraction form
    372,936/804,840 = 804,840/x
  3. Step 3: Cross multiply
    372,936x = 804,840 × 804,840
  4. Step 4: Simplify right side
    372,936x = 647,767,425,600
  5. Step 5: Solve for x
    x = 647,767,425,600/372,936
  6. Step 6: Final answer
    x = 1,736,939.92

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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.