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Finding the Third Proportional to 661,608 and 1,435,239

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Solution

The third proportional to 661,608 and 1,435,239 is: 3,113,491.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,608 : 1,435,239 = 1,435,239 : x
  2. Step 2: Convert to fraction form
    661,608/1,435,239 = 1,435,239/x
  3. Step 3: Cross multiply
    661,608x = 1,435,239 × 1,435,239
  4. Step 4: Simplify right side
    661,608x = 2,059,910,987,121
  5. Step 5: Solve for x
    x = 2,059,910,987,121/661,608
  6. Step 6: Final answer
    x = 3,113,491.66

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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.