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Finding the Third Proportional to 5,137,908 and 11,292,780

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Solution

The third proportional to 5,137,908 and 11,292,780 is: 24,820,779.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137,908 : 11,292,780 = 11,292,780 : x
  2. Step 2: Convert to fraction form
    5,137,908/11,292,780 = 11,292,780/x
  3. Step 3: Cross multiply
    5,137,908x = 11,292,780 × 11,292,780
  4. Step 4: Simplify right side
    5,137,908x = 127,526,880,128,400
  5. Step 5: Solve for x
    x = 127,526,880,128,400/5,137,908
  6. Step 6: Final answer
    x = 24,820,779.22

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.