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Finding the Third Proportional to 1,863,164.25 and 3,991,927.50

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Solution

The third proportional to 1,863,164.25 and 3,991,927.50 is: 8,552,914.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,164.25 : 3,991,927.50 = 3,991,927.50 : x
  2. Step 2: Convert to fraction form
    1,863,164.25/3,991,927.50 = 3,991,927.50/x
  3. Step 3: Cross multiply
    1,863,164.25x = 3,991,927.50 × 3,991,927.50
  4. Step 4: Simplify right side
    1,863,164.25x = 15,935,485,165,256.25
  5. Step 5: Solve for x
    x = 15,935,485,165,256.25/1,863,164.25
  6. Step 6: Final answer
    x = 8,552,914.84

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.