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Finding the Third Proportional to 2,197,972.50 and 4,686,266.50

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Solution

The third proportional to 2,197,972.50 and 4,686,266.50 is: 9,991,523.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197,972.50 : 4,686,266.50 = 4,686,266.50 : x
  2. Step 2: Convert to fraction form
    2,197,972.50/4,686,266.50 = 4,686,266.50/x
  3. Step 3: Cross multiply
    2,197,972.50x = 4,686,266.50 × 4,686,266.50
  4. Step 4: Simplify right side
    2,197,972.50x = 21,961,093,709,022.25
  5. Step 5: Solve for x
    x = 21,961,093,709,022.25/2,197,972.50
  6. Step 6: Final answer
    x = 9,991,523.42

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.