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Finding the Third Proportional to 985,208 and 2,124,314

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Solution

The third proportional to 985,208 and 2,124,314 is: 4,580,464.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,208 : 2,124,314 = 2,124,314 : x
  2. Step 2: Convert to fraction form
    985,208/2,124,314 = 2,124,314/x
  3. Step 3: Cross multiply
    985,208x = 2,124,314 × 2,124,314
  4. Step 4: Simplify right side
    985,208x = 4,512,709,970,596
  5. Step 5: Solve for x
    x = 4,512,709,970,596/985,208
  6. Step 6: Final answer
    x = 4,580,464.20

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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.