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Finding the Third Proportional to 574,392 and 804,915

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Solution

The third proportional to 574,392 and 804,915 is: 1,127,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,392 : 804,915 = 804,915 : x
  2. Step 2: Convert to fraction form
    574,392/804,915 = 804,915/x
  3. Step 3: Cross multiply
    574,392x = 804,915 × 804,915
  4. Step 4: Simplify right side
    574,392x = 647,888,157,225
  5. Step 5: Solve for x
    x = 647,888,157,225/574,392
  6. Step 6: Final answer
    x = 1,127,954.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.