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Finding the Third Proportional to 985,393.69 and 2,138,092.03

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Solution

The third proportional to 985,393.69 and 2,138,092.03 is: 4,639,199.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,393.69 : 2,138,092.03 = 2,138,092.03 : x
  2. Step 2: Convert to fraction form
    985,393.69/2,138,092.03 = 2,138,092.03/x
  3. Step 3: Cross multiply
    985,393.69x = 2,138,092.03 × 2,138,092.03
  4. Step 4: Simplify right side
    985,393.69x = 4,571,437,534,094.75
  5. Step 5: Solve for x
    x = 4,571,437,534,094.75/985,393.69
  6. Step 6: Final answer
    x = 4,639,199.13

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.