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Finding the Third Proportional to 696,985 and 1,511,986

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Solution

The third proportional to 696,985 and 1,511,986 is: 3,279,986.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,985 : 1,511,986 = 1,511,986 : x
  2. Step 2: Convert to fraction form
    696,985/1,511,986 = 1,511,986/x
  3. Step 3: Cross multiply
    696,985x = 1,511,986 × 1,511,986
  4. Step 4: Simplify right side
    696,985x = 2,286,101,664,196
  5. Step 5: Solve for x
    x = 2,286,101,664,196/696,985
  6. Step 6: Final answer
    x = 3,279,986.89

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.