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Finding the Third Proportional to 7,710,951 and 11,978,241

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Solution

The third proportional to 7,710,951 and 11,978,241 is: 18,607,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,710,951 : 11,978,241 = 11,978,241 : x
  2. Step 2: Convert to fraction form
    7,710,951/11,978,241 = 11,978,241/x
  3. Step 3: Cross multiply
    7,710,951x = 11,978,241 × 11,978,241
  4. Step 4: Simplify right side
    7,710,951x = 143,478,257,454,081
  5. Step 5: Solve for x
    x = 143,478,257,454,081/7,710,951
  6. Step 6: Final answer
    x = 18,607,076.80

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.