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Finding the Third Proportional to 4,429,716 and 6,939,852

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Solution

The third proportional to 4,429,716 and 6,939,852 is: 10,872,377.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429,716 : 6,939,852 = 6,939,852 : x
  2. Step 2: Convert to fraction form
    4,429,716/6,939,852 = 6,939,852/x
  3. Step 3: Cross multiply
    4,429,716x = 6,939,852 × 6,939,852
  4. Step 4: Simplify right side
    4,429,716x = 48,161,545,781,904
  5. Step 5: Solve for x
    x = 48,161,545,781,904/4,429,716
  6. Step 6: Final answer
    x = 10,872,377.77

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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.