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Finding the Third Proportional to 985,116 and 2,127,408

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Solution

The third proportional to 985,116 and 2,127,408 is: 4,594,245.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,116 : 2,127,408 = 2,127,408 : x
  2. Step 2: Convert to fraction form
    985,116/2,127,408 = 2,127,408/x
  3. Step 3: Cross multiply
    985,116x = 2,127,408 × 2,127,408
  4. Step 4: Simplify right side
    985,116x = 4,525,864,798,464
  5. Step 5: Solve for x
    x = 4,525,864,798,464/985,116
  6. Step 6: Final answer
    x = 4,594,245.55

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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.