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Finding the Third Proportional to 3,387,390 and 7,265,964

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Solution

The third proportional to 3,387,390 and 7,265,964 is: 15,585,519.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387,390 : 7,265,964 = 7,265,964 : x
  2. Step 2: Convert to fraction form
    3,387,390/7,265,964 = 7,265,964/x
  3. Step 3: Cross multiply
    3,387,390x = 7,265,964 × 7,265,964
  4. Step 4: Simplify right side
    3,387,390x = 52,794,232,849,296
  5. Step 5: Solve for x
    x = 52,794,232,849,296/3,387,390
  6. Step 6: Final answer
    x = 15,585,519.49

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.