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Finding the Third Proportional to 12,639,968 and 19,092,787

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Solution

The third proportional to 12,639,968 and 19,092,787 is: 28,839,828.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,639,968 : 19,092,787 = 19,092,787 : x
  2. Step 2: Convert to fraction form
    12,639,968/19,092,787 = 19,092,787/x
  3. Step 3: Cross multiply
    12,639,968x = 19,092,787 × 19,092,787
  4. Step 4: Simplify right side
    12,639,968x = 364,534,515,427,369
  5. Step 5: Solve for x
    x = 364,534,515,427,369/12,639,968
  6. Step 6: Final answer
    x = 28,839,828.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.