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Finding the Third Proportional to 25,678,536 and 39,889,116

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Solution

The third proportional to 25,678,536 and 39,889,116 is: 61,963,874.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,678,536 : 39,889,116 = 39,889,116 : x
  2. Step 2: Convert to fraction form
    25,678,536/39,889,116 = 39,889,116/x
  3. Step 3: Cross multiply
    25,678,536x = 39,889,116 × 39,889,116
  4. Step 4: Simplify right side
    25,678,536x = 1,591,141,575,261,456
  5. Step 5: Solve for x
    x = 1,591,141,575,261,456/25,678,536
  6. Step 6: Final answer
    x = 61,963,874.24

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.