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Finding the Third Proportional to 4,387,246 and 6,780,018

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Solution

The third proportional to 4,387,246 and 6,780,018 is: 10,477,790.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387,246 : 6,780,018 = 6,780,018 : x
  2. Step 2: Convert to fraction form
    4,387,246/6,780,018 = 6,780,018/x
  3. Step 3: Cross multiply
    4,387,246x = 6,780,018 × 6,780,018
  4. Step 4: Simplify right side
    4,387,246x = 45,968,644,080,324
  5. Step 5: Solve for x
    x = 45,968,644,080,324/4,387,246
  6. Step 6: Final answer
    x = 10,477,790.41

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.