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Finding the Third Proportional to 12,664,218.75 and 29,865,745.88

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Solution

The third proportional to 12,664,218.75 and 29,865,745.88 is: 70,431,725.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,664,218.75 : 29,865,745.88 = 29,865,745.88 : x
  2. Step 2: Convert to fraction form
    12,664,218.75/29,865,745.88 = 29,865,745.88/x
  3. Step 3: Cross multiply
    12,664,218.75x = 29,865,745.88 × 29,865,745.88
  4. Step 4: Simplify right side
    12,664,218.75x = 891,962,776,670,079.50
  5. Step 5: Solve for x
    x = 891,962,776,670,079.50/12,664,218.75
  6. Step 6: Final answer
    x = 70,431,725.34

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.