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Finding the Third Proportional to 985,229 and 2,117,800

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Solution

The third proportional to 985,229 and 2,117,800 is: 4,552,319.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,229 : 2,117,800 = 2,117,800 : x
  2. Step 2: Convert to fraction form
    985,229/2,117,800 = 2,117,800/x
  3. Step 3: Cross multiply
    985,229x = 2,117,800 × 2,117,800
  4. Step 4: Simplify right side
    985,229x = 4,485,076,840,000
  5. Step 5: Solve for x
    x = 4,485,076,840,000/985,229
  6. Step 6: Final answer
    x = 4,552,319.15

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.