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Finding the Third Proportional to 920,889 and 1,993,106.25

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Solution

The third proportional to 920,889 and 1,993,106.25 is: 4,313,736.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,889 : 1,993,106.25 = 1,993,106.25 : x
  2. Step 2: Convert to fraction form
    920,889/1,993,106.25 = 1,993,106.25/x
  3. Step 3: Cross multiply
    920,889x = 1,993,106.25 × 1,993,106.25
  4. Step 4: Simplify right side
    920,889x = 3,972,472,523,789.06
  5. Step 5: Solve for x
    x = 3,972,472,523,789.06/920,889
  6. Step 6: Final answer
    x = 4,313,736.53

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.