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Finding the Third Proportional to 511,020 and 1,121,184

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Solution

The third proportional to 511,020 and 1,121,184 is: 2,459,891.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,020 : 1,121,184 = 1,121,184 : x
  2. Step 2: Convert to fraction form
    511,020/1,121,184 = 1,121,184/x
  3. Step 3: Cross multiply
    511,020x = 1,121,184 × 1,121,184
  4. Step 4: Simplify right side
    511,020x = 1,257,053,561,856
  5. Step 5: Solve for x
    x = 1,257,053,561,856/511,020
  6. Step 6: Final answer
    x = 2,459,891.12

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.