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Finding the Third Proportional to 18,573,689 and 28,141,016

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Solution

The third proportional to 18,573,689 and 28,141,016 is: 42,636,483.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,573,689 : 28,141,016 = 28,141,016 : x
  2. Step 2: Convert to fraction form
    18,573,689/28,141,016 = 28,141,016/x
  3. Step 3: Cross multiply
    18,573,689x = 28,141,016 × 28,141,016
  4. Step 4: Simplify right side
    18,573,689x = 791,916,781,512,256
  5. Step 5: Solve for x
    x = 791,916,781,512,256/18,573,689
  6. Step 6: Final answer
    x = 42,636,483.33

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.