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Finding the Third Proportional to 4,269,297.85 and 9,220,256.74

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Solution

The third proportional to 4,269,297.85 and 9,220,256.74 is: 19,912,673.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269,297.85 : 9,220,256.74 = 9,220,256.74 : x
  2. Step 2: Convert to fraction form
    4,269,297.85/9,220,256.74 = 9,220,256.74/x
  3. Step 3: Cross multiply
    4,269,297.85x = 9,220,256.74 × 9,220,256.74
  4. Step 4: Simplify right side
    4,269,297.85x = 85,013,134,283,811.08
  5. Step 5: Solve for x
    x = 85,013,134,283,811.08/4,269,297.85
  6. Step 6: Final answer
    x = 19,912,673.53

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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.