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Finding the Third Proportional to 149,841 and 318,753

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Solution

The third proportional to 149,841 and 318,753 is: 678,075.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,841 : 318,753 = 318,753 : x
  2. Step 2: Convert to fraction form
    149,841/318,753 = 318,753/x
  3. Step 3: Cross multiply
    149,841x = 318,753 × 318,753
  4. Step 4: Simplify right side
    149,841x = 101,603,475,009
  5. Step 5: Solve for x
    x = 101,603,475,009/149,841
  6. Step 6: Final answer
    x = 678,075.26

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.