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Finding the Third Proportional to 5,321,340 and 11,672,730

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Solution

The third proportional to 5,321,340 and 11,672,730 is: 25,604,946.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321,340 : 11,672,730 = 11,672,730 : x
  2. Step 2: Convert to fraction form
    5,321,340/11,672,730 = 11,672,730/x
  3. Step 3: Cross multiply
    5,321,340x = 11,672,730 × 11,672,730
  4. Step 4: Simplify right side
    5,321,340x = 136,252,625,652,900
  5. Step 5: Solve for x
    x = 136,252,625,652,900/5,321,340
  6. Step 6: Final answer
    x = 25,604,946.43

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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.