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Finding the Third Proportional to 920,802.75 and 2,008,865.25

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Solution

The third proportional to 920,802.75 and 2,008,865.25 is: 4,382,631.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,802.75 : 2,008,865.25 = 2,008,865.25 : x
  2. Step 2: Convert to fraction form
    920,802.75/2,008,865.25 = 2,008,865.25/x
  3. Step 3: Cross multiply
    920,802.75x = 2,008,865.25 × 2,008,865.25
  4. Step 4: Simplify right side
    920,802.75x = 4,035,539,592,657.56
  5. Step 5: Solve for x
    x = 4,035,539,592,657.56/920,802.75
  6. Step 6: Final answer
    x = 4,382,631.99

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.