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Finding the Third Proportional to 985,217 and 2,132,357

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Solution

The third proportional to 985,217 and 2,132,357 is: 4,615,172.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,217 : 2,132,357 = 2,132,357 : x
  2. Step 2: Convert to fraction form
    985,217/2,132,357 = 2,132,357/x
  3. Step 3: Cross multiply
    985,217x = 2,132,357 × 2,132,357
  4. Step 4: Simplify right side
    985,217x = 4,546,946,375,449
  5. Step 5: Solve for x
    x = 4,546,946,375,449/985,217
  6. Step 6: Final answer
    x = 4,615,172.47

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.