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Finding the Third Proportional to 718,540 and 999,062

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Solution

The third proportional to 718,540 and 999,062 is: 1,389,101.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,540 : 999,062 = 999,062 : x
  2. Step 2: Convert to fraction form
    718,540/999,062 = 999,062/x
  3. Step 3: Cross multiply
    718,540x = 999,062 × 999,062
  4. Step 4: Simplify right side
    718,540x = 998,124,879,844
  5. Step 5: Solve for x
    x = 998,124,879,844/718,540
  6. Step 6: Final answer
    x = 1,389,101.34

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.