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Finding the Third Proportional to 302,841 and 655,840.50

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Solution

The third proportional to 302,841 and 655,840.50 is: 1,420,305.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,841 : 655,840.50 = 655,840.50 : x
  2. Step 2: Convert to fraction form
    302,841/655,840.50 = 655,840.50/x
  3. Step 3: Cross multiply
    302,841x = 655,840.50 × 655,840.50
  4. Step 4: Simplify right side
    302,841x = 430,126,761,440.25
  5. Step 5: Solve for x
    x = 430,126,761,440.25/302,841
  6. Step 6: Final answer
    x = 1,420,305.58

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.