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Finding the Third Proportional to 772,714.13 and 1,135,918.13

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Solution

The third proportional to 772,714.13 and 1,135,918.13 is: 1,669,841.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,714.13 : 1,135,918.13 = 1,135,918.13 : x
  2. Step 2: Convert to fraction form
    772,714.13/1,135,918.13 = 1,135,918.13/x
  3. Step 3: Cross multiply
    772,714.13x = 1,135,918.13 × 1,135,918.13
  4. Step 4: Simplify right side
    772,714.13x = 1,290,309,986,703.52
  5. Step 5: Solve for x
    x = 1,290,309,986,703.52/772,714.13
  6. Step 6: Final answer
    x = 1,669,841.34

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.