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Finding the Third Proportional to 12,156,732 and 19,249,867

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Solution

The third proportional to 12,156,732 and 19,249,867 is: 30,481,660.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,156,732 : 19,249,867 = 19,249,867 : x
  2. Step 2: Convert to fraction form
    12,156,732/19,249,867 = 19,249,867/x
  3. Step 3: Cross multiply
    12,156,732x = 19,249,867 × 19,249,867
  4. Step 4: Simplify right side
    12,156,732x = 370,557,379,517,689
  5. Step 5: Solve for x
    x = 370,557,379,517,689/12,156,732
  6. Step 6: Final answer
    x = 30,481,660.66

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.