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Finding the Third Proportional to 988,334 and 2,165,779

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Solution

The third proportional to 988,334 and 2,165,779 is: 4,745,965.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,334 : 2,165,779 = 2,165,779 : x
  2. Step 2: Convert to fraction form
    988,334/2,165,779 = 2,165,779/x
  3. Step 3: Cross multiply
    988,334x = 2,165,779 × 2,165,779
  4. Step 4: Simplify right side
    988,334x = 4,690,598,676,841
  5. Step 5: Solve for x
    x = 4,690,598,676,841/988,334
  6. Step 6: Final answer
    x = 4,745,965.11

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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.