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Finding the Third Proportional to 515,628.28 and 1,110,244.22

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Solution

The third proportional to 515,628.28 and 1,110,244.22 is: 2,390,563.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,628.28 : 1,110,244.22 = 1,110,244.22 : x
  2. Step 2: Convert to fraction form
    515,628.28/1,110,244.22 = 1,110,244.22/x
  3. Step 3: Cross multiply
    515,628.28x = 1,110,244.22 × 1,110,244.22
  4. Step 4: Simplify right side
    515,628.28x = 1,232,642,225,267.80
  5. Step 5: Solve for x
    x = 1,232,642,225,267.80/515,628.28
  6. Step 6: Final answer
    x = 2,390,563.65

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.