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Finding the Third Proportional to 3,153,280 and 6,916,976

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Solution

The third proportional to 3,153,280 and 6,916,976 is: 15,172,949.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153,280 : 6,916,976 = 6,916,976 : x
  2. Step 2: Convert to fraction form
    3,153,280/6,916,976 = 6,916,976/x
  3. Step 3: Cross multiply
    3,153,280x = 6,916,976 × 6,916,976
  4. Step 4: Simplify right side
    3,153,280x = 47,844,556,984,576
  5. Step 5: Solve for x
    x = 47,844,556,984,576/3,153,280
  6. Step 6: Final answer
    x = 15,172,949.11

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.