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Finding the Third Proportional to 6,461,976 and 10,137,780

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Solution

The third proportional to 6,461,976 and 10,137,780 is: 15,904,513.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,461,976 : 10,137,780 = 10,137,780 : x
  2. Step 2: Convert to fraction form
    6,461,976/10,137,780 = 10,137,780/x
  3. Step 3: Cross multiply
    6,461,976x = 10,137,780 × 10,137,780
  4. Step 4: Simplify right side
    6,461,976x = 102,774,583,328,400
  5. Step 5: Solve for x
    x = 102,774,583,328,400/6,461,976
  6. Step 6: Final answer
    x = 15,904,513.31

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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.