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Finding the Third Proportional to 515,137 and 1,133,045

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Solution

The third proportional to 515,137 and 1,133,045 is: 2,492,135.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,137 : 1,133,045 = 1,133,045 : x
  2. Step 2: Convert to fraction form
    515,137/1,133,045 = 1,133,045/x
  3. Step 3: Cross multiply
    515,137x = 1,133,045 × 1,133,045
  4. Step 4: Simplify right side
    515,137x = 1,283,790,972,025
  5. Step 5: Solve for x
    x = 1,283,790,972,025/515,137
  6. Step 6: Final answer
    x = 2,492,135.05

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.