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Finding the Third Proportional to 21,806,936 and 45,874,088

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Solution

The third proportional to 21,806,936 and 45,874,088 is: 96,502,871.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,806,936 : 45,874,088 = 45,874,088 : x
  2. Step 2: Convert to fraction form
    21,806,936/45,874,088 = 45,874,088/x
  3. Step 3: Cross multiply
    21,806,936x = 45,874,088 × 45,874,088
  4. Step 4: Simplify right side
    21,806,936x = 2,104,431,949,831,744
  5. Step 5: Solve for x
    x = 2,104,431,949,831,744/21,806,936
  6. Step 6: Final answer
    x = 96,502,871.83

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.