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Finding the Third Proportional to 1,179,690 and 1,779,201

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Solution

The third proportional to 1,179,690 and 1,779,201 is: 2,683,379.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,690 : 1,779,201 = 1,779,201 : x
  2. Step 2: Convert to fraction form
    1,179,690/1,779,201 = 1,779,201/x
  3. Step 3: Cross multiply
    1,179,690x = 1,779,201 × 1,779,201
  4. Step 4: Simplify right side
    1,179,690x = 3,165,556,198,401
  5. Step 5: Solve for x
    x = 3,165,556,198,401/1,179,690
  6. Step 6: Final answer
    x = 2,683,379.70

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.