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Finding the Third Proportional to 985,250 and 2,117,840

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Solution

The third proportional to 985,250 and 2,117,840 is: 4,552,394.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,250 : 2,117,840 = 2,117,840 : x
  2. Step 2: Convert to fraction form
    985,250/2,117,840 = 2,117,840/x
  3. Step 3: Cross multiply
    985,250x = 2,117,840 × 2,117,840
  4. Step 4: Simplify right side
    985,250x = 4,485,246,265,600
  5. Step 5: Solve for x
    x = 4,485,246,265,600/985,250
  6. Step 6: Final answer
    x = 4,552,394.08

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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.