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Finding the Third Proportional to 15,784,272 and 33,918,236

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Solution

The third proportional to 15,784,272 and 33,918,236 is: 72,885,637.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,784,272 : 33,918,236 = 33,918,236 : x
  2. Step 2: Convert to fraction form
    15,784,272/33,918,236 = 33,918,236/x
  3. Step 3: Cross multiply
    15,784,272x = 33,918,236 × 33,918,236
  4. Step 4: Simplify right side
    15,784,272x = 1,150,446,733,351,696
  5. Step 5: Solve for x
    x = 1,150,446,733,351,696/15,784,272
  6. Step 6: Final answer
    x = 72,885,637.89

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.