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Finding the Third Proportional to 12,915,711 and 27,886,037.50

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Solution

The third proportional to 12,915,711 and 27,886,037.50 is: 60,208,151.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,915,711 : 27,886,037.50 = 27,886,037.50 : x
  2. Step 2: Convert to fraction form
    12,915,711/27,886,037.50 = 27,886,037.50/x
  3. Step 3: Cross multiply
    12,915,711x = 27,886,037.50 × 27,886,037.50
  4. Step 4: Simplify right side
    12,915,711x = 777,631,087,451,406.25
  5. Step 5: Solve for x
    x = 777,631,087,451,406.25/12,915,711
  6. Step 6: Final answer
    x = 60,208,151.72

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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.