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Finding the Third Proportional to 986,871 and 2,051,309

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Solution

The third proportional to 986,871 and 2,051,309 is: 4,263,848.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,871 : 2,051,309 = 2,051,309 : x
  2. Step 2: Convert to fraction form
    986,871/2,051,309 = 2,051,309/x
  3. Step 3: Cross multiply
    986,871x = 2,051,309 × 2,051,309
  4. Step 4: Simplify right side
    986,871x = 4,207,868,613,481
  5. Step 5: Solve for x
    x = 4,207,868,613,481/986,871
  6. Step 6: Final answer
    x = 4,263,848.68

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.