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Finding the Third Proportional to 121,181,080 and 191,916,740

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Solution

The third proportional to 121,181,080 and 191,916,740 is: 303,942,126.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,181,080 : 191,916,740 = 191,916,740 : x
  2. Step 2: Convert to fraction form
    121,181,080/191,916,740 = 191,916,740/x
  3. Step 3: Cross multiply
    121,181,080x = 191,916,740 × 191,916,740
  4. Step 4: Simplify right side
    121,181,080x = 36,832,035,092,227,600
  5. Step 5: Solve for x
    x = 36,832,035,092,227,600/121,181,080
  6. Step 6: Final answer
    x = 303,942,126.05

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.