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Finding the Third Proportional to 3,047,880 and 6,515,640

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Solution

The third proportional to 3,047,880 and 6,515,640 is: 13,928,883.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047,880 : 6,515,640 = 6,515,640 : x
  2. Step 2: Convert to fraction form
    3,047,880/6,515,640 = 6,515,640/x
  3. Step 3: Cross multiply
    3,047,880x = 6,515,640 × 6,515,640
  4. Step 4: Simplify right side
    3,047,880x = 42,453,564,609,600
  5. Step 5: Solve for x
    x = 42,453,564,609,600/3,047,880
  6. Step 6: Final answer
    x = 13,928,883.23

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.