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Finding the Third Proportional to 21,871,120 and 51,100,808

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Solution

The third proportional to 21,871,120 and 51,100,808 is: 119,394,552.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,871,120 : 51,100,808 = 51,100,808 : x
  2. Step 2: Convert to fraction form
    21,871,120/51,100,808 = 51,100,808/x
  3. Step 3: Cross multiply
    21,871,120x = 51,100,808 × 51,100,808
  4. Step 4: Simplify right side
    21,871,120x = 2,611,292,578,252,864
  5. Step 5: Solve for x
    x = 2,611,292,578,252,864/21,871,120
  6. Step 6: Final answer
    x = 119,394,552.19

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.