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Finding the Third Proportional to 660,961 and 891,793

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Solution

The third proportional to 660,961 and 891,793 is: 1,203,240.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,961 : 891,793 = 891,793 : x
  2. Step 2: Convert to fraction form
    660,961/891,793 = 891,793/x
  3. Step 3: Cross multiply
    660,961x = 891,793 × 891,793
  4. Step 4: Simplify right side
    660,961x = 795,294,754,849
  5. Step 5: Solve for x
    x = 795,294,754,849/660,961
  6. Step 6: Final answer
    x = 1,203,240.06

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.