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Finding the Third Proportional to 18,455,692 and 40,385,394

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Solution

The third proportional to 18,455,692 and 40,385,394 is: 88,372,738.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455,692 : 40,385,394 = 40,385,394 : x
  2. Step 2: Convert to fraction form
    18,455,692/40,385,394 = 40,385,394/x
  3. Step 3: Cross multiply
    18,455,692x = 40,385,394 × 40,385,394
  4. Step 4: Simplify right side
    18,455,692x = 1,630,980,048,535,236
  5. Step 5: Solve for x
    x = 1,630,980,048,535,236/18,455,692
  6. Step 6: Final answer
    x = 88,372,738.80

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.