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Finding the Third Proportional to 5,266,479.75 and 8,263,627.50

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Solution

The third proportional to 5,266,479.75 and 8,263,627.50 is: 12,966,448.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266,479.75 : 8,263,627.50 = 8,263,627.50 : x
  2. Step 2: Convert to fraction form
    5,266,479.75/8,263,627.50 = 8,263,627.50/x
  3. Step 3: Cross multiply
    5,266,479.75x = 8,263,627.50 × 8,263,627.50
  4. Step 4: Simplify right side
    5,266,479.75x = 68,287,539,458,756.25
  5. Step 5: Solve for x
    x = 68,287,539,458,756.25/5,266,479.75
  6. Step 6: Final answer
    x = 12,966,448.69

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.