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Finding the Third Proportional to 79,864,015.50 and 122,680,939.50

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Solution

The third proportional to 79,864,015.50 and 122,680,939.50 is: 188,452,995.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,864,015.50 : 122,680,939.50 = 122,680,939.50 : x
  2. Step 2: Convert to fraction form
    79,864,015.50/122,680,939.50 = 122,680,939.50/x
  3. Step 3: Cross multiply
    79,864,015.50x = 122,680,939.50 × 122,680,939.50
  4. Step 4: Simplify right side
    79,864,015.50x = 15,050,612,916,602,660
  5. Step 5: Solve for x
    x = 15,050,612,916,602,660/79,864,015.50
  6. Step 6: Final answer
    x = 188,452,995.04

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.