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Finding the Third Proportional to 12,328,438 and 19,634,270

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Solution

The third proportional to 12,328,438 and 19,634,270 is: 31,269,537.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,328,438 : 19,634,270 = 19,634,270 : x
  2. Step 2: Convert to fraction form
    12,328,438/19,634,270 = 19,634,270/x
  3. Step 3: Cross multiply
    12,328,438x = 19,634,270 × 19,634,270
  4. Step 4: Simplify right side
    12,328,438x = 385,504,558,432,900
  5. Step 5: Solve for x
    x = 385,504,558,432,900/12,328,438
  6. Step 6: Final answer
    x = 31,269,537.83

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.