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Finding the Third Proportional to 12,859,961.50 and 27,739,039.50

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Solution

The third proportional to 12,859,961.50 and 27,739,039.50 is: 59,833,329.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859,961.50 : 27,739,039.50 = 27,739,039.50 : x
  2. Step 2: Convert to fraction form
    12,859,961.50/27,739,039.50 = 27,739,039.50/x
  3. Step 3: Cross multiply
    12,859,961.50x = 27,739,039.50 × 27,739,039.50
  4. Step 4: Simplify right side
    12,859,961.50x = 769,454,312,382,560.25
  5. Step 5: Solve for x
    x = 769,454,312,382,560.25/12,859,961.50
  6. Step 6: Final answer
    x = 59,833,329.39

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.