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Finding the Third Proportional to 915,302.75 and 1,968,350.50

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Solution

The third proportional to 915,302.75 and 1,968,350.50 is: 4,232,920.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,302.75 : 1,968,350.50 = 1,968,350.50 : x
  2. Step 2: Convert to fraction form
    915,302.75/1,968,350.50 = 1,968,350.50/x
  3. Step 3: Cross multiply
    915,302.75x = 1,968,350.50 × 1,968,350.50
  4. Step 4: Simplify right side
    915,302.75x = 3,874,403,690,850.25
  5. Step 5: Solve for x
    x = 3,874,403,690,850.25/915,302.75
  6. Step 6: Final answer
    x = 4,232,920.41

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.