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Finding the Third Proportional to 79,276,171.50 and 121,283,392.50

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Solution

The third proportional to 79,276,171.50 and 121,283,392.50 is: 185,549,592.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,276,171.50 : 121,283,392.50 = 121,283,392.50 : x
  2. Step 2: Convert to fraction form
    79,276,171.50/121,283,392.50 = 121,283,392.50/x
  3. Step 3: Cross multiply
    79,276,171.50x = 121,283,392.50 × 121,283,392.50
  4. Step 4: Simplify right side
    79,276,171.50x = 14,709,661,296,309,056
  5. Step 5: Solve for x
    x = 14,709,661,296,309,056/79,276,171.50
  6. Step 6: Final answer
    x = 185,549,592.24

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.