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Finding the Third Proportional to 80,685,080 and 121,107,444

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Solution

The third proportional to 80,685,080 and 121,107,444 is: 181,780,980.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,685,080 : 121,107,444 = 121,107,444 : x
  2. Step 2: Convert to fraction form
    80,685,080/121,107,444 = 121,107,444/x
  3. Step 3: Cross multiply
    80,685,080x = 121,107,444 × 121,107,444
  4. Step 4: Simplify right side
    80,685,080x = 14,667,012,992,213,136
  5. Step 5: Solve for x
    x = 14,667,012,992,213,136/80,685,080
  6. Step 6: Final answer
    x = 181,780,980.97

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.