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Finding the Third Proportional to 5,475,815.75 and 8,512,402.25

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Solution

The third proportional to 5,475,815.75 and 8,512,402.25 is: 13,232,912.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475,815.75 : 8,512,402.25 = 8,512,402.25 : x
  2. Step 2: Convert to fraction form
    5,475,815.75/8,512,402.25 = 8,512,402.25/x
  3. Step 3: Cross multiply
    5,475,815.75x = 8,512,402.25 × 8,512,402.25
  4. Step 4: Simplify right side
    5,475,815.75x = 72,460,992,065,805.06
  5. Step 5: Solve for x
    x = 72,460,992,065,805.06/5,475,815.75
  6. Step 6: Final answer
    x = 13,232,912.75

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.