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Finding the Third Proportional to 21,280,806 and 33,019,029

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Solution

The third proportional to 21,280,806 and 33,019,029 is: 51,231,907.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,280,806 : 33,019,029 = 33,019,029 : x
  2. Step 2: Convert to fraction form
    21,280,806/33,019,029 = 33,019,029/x
  3. Step 3: Cross multiply
    21,280,806x = 33,019,029 × 33,019,029
  4. Step 4: Simplify right side
    21,280,806x = 1,090,256,276,102,841
  5. Step 5: Solve for x
    x = 1,090,256,276,102,841/21,280,806
  6. Step 6: Final answer
    x = 51,231,907.10

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Why These Related Problems?

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