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Finding the Third Proportional to 307,546.13 and 665,635.88

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Solution

The third proportional to 307,546.13 and 665,635.88 is: 1,440,665.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,546.13 : 665,635.88 = 665,635.88 : x
  2. Step 2: Convert to fraction form
    307,546.13/665,635.88 = 665,635.88/x
  3. Step 3: Cross multiply
    307,546.13x = 665,635.88 × 665,635.88
  4. Step 4: Simplify right side
    307,546.13x = 443,071,118,087.02
  5. Step 5: Solve for x
    x = 443,071,118,087.02/307,546.13
  6. Step 6: Final answer
    x = 1,440,665.58

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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.