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Finding the Third Proportional to 1,121,720.50 and 1,682,158

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Solution

The third proportional to 1,121,720.50 and 1,682,158 is: 2,522,603.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,720.50 : 1,682,158 = 1,682,158 : x
  2. Step 2: Convert to fraction form
    1,121,720.50/1,682,158 = 1,682,158/x
  3. Step 3: Cross multiply
    1,121,720.50x = 1,682,158 × 1,682,158
  4. Step 4: Simplify right side
    1,121,720.50x = 2,829,655,536,964
  5. Step 5: Solve for x
    x = 2,829,655,536,964/1,121,720.50
  6. Step 6: Final answer
    x = 2,522,603.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.