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Finding the Third Proportional to 1,551,578,951 and 3,447,531,670

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Solution

The third proportional to 1,551,578,951 and 3,447,531,670 is: 7,660,244,815.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,578,951 : 3,447,531,670 = 3,447,531,670 : x
  2. Step 2: Convert to fraction form
    1,551,578,951/3,447,531,670 = 3,447,531,670/x
  3. Step 3: Cross multiply
    1,551,578,951x = 3,447,531,670 × 3,447,531,670
  4. Step 4: Simplify right side
    1,551,578,951x = 11,885,474,615,652,988,928
  5. Step 5: Solve for x
    x = 11,885,474,615,652,988,928/1,551,578,951
  6. Step 6: Final answer
    x = 7,660,244,815.77

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.