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Finding the Third Proportional to 90,959,202 and 139,951,971

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Solution

The third proportional to 90,959,202 and 139,951,971 is: 215,333,399.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,959,202 : 139,951,971 = 139,951,971 : x
  2. Step 2: Convert to fraction form
    90,959,202/139,951,971 = 139,951,971/x
  3. Step 3: Cross multiply
    90,959,202x = 139,951,971 × 139,951,971
  4. Step 4: Simplify right side
    90,959,202x = 19,586,554,186,784,840
  5. Step 5: Solve for x
    x = 19,586,554,186,784,840/90,959,202
  6. Step 6: Final answer
    x = 215,333,399.55

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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.