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Finding the Third Proportional to 18,919,274 and 28,851,291

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Solution

The third proportional to 18,919,274 and 28,851,291 is: 43,997,300.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,919,274 : 28,851,291 = 28,851,291 : x
  2. Step 2: Convert to fraction form
    18,919,274/28,851,291 = 28,851,291/x
  3. Step 3: Cross multiply
    18,919,274x = 28,851,291 × 28,851,291
  4. Step 4: Simplify right side
    18,919,274x = 832,396,992,366,681
  5. Step 5: Solve for x
    x = 832,396,992,366,681/18,919,274
  6. Step 6: Final answer
    x = 43,997,300.97

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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.