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Finding the Third Proportional to 999,313.88 and 2,197,918.13

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Solution

The third proportional to 999,313.88 and 2,197,918.13 is: 4,834,160.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,313.88 : 2,197,918.13 = 2,197,918.13 : x
  2. Step 2: Convert to fraction form
    999,313.88/2,197,918.13 = 2,197,918.13/x
  3. Step 3: Cross multiply
    999,313.88x = 2,197,918.13 × 2,197,918.13
  4. Step 4: Simplify right side
    999,313.88x = 4,830,844,084,203.52
  5. Step 5: Solve for x
    x = 4,830,844,084,203.52/999,313.88
  6. Step 6: Final answer
    x = 4,834,160.92

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.