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Finding the Third Proportional to 20,725,878 and 32,508,729

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Solution

The third proportional to 20,725,878 and 32,508,729 is: 50,990,238.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,725,878 : 32,508,729 = 32,508,729 : x
  2. Step 2: Convert to fraction form
    20,725,878/32,508,729 = 32,508,729/x
  3. Step 3: Cross multiply
    20,725,878x = 32,508,729 × 32,508,729
  4. Step 4: Simplify right side
    20,725,878x = 1,056,817,461,195,441
  5. Step 5: Solve for x
    x = 1,056,817,461,195,441/20,725,878
  6. Step 6: Final answer
    x = 50,990,238.44

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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.