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Finding the Third Proportional to 18,220,325 and 27,939,470

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Solution

The third proportional to 18,220,325 and 27,939,470 is: 42,843,032.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220,325 : 27,939,470 = 27,939,470 : x
  2. Step 2: Convert to fraction form
    18,220,325/27,939,470 = 27,939,470/x
  3. Step 3: Cross multiply
    18,220,325x = 27,939,470 × 27,939,470
  4. Step 4: Simplify right side
    18,220,325x = 780,613,983,880,900
  5. Step 5: Solve for x
    x = 780,613,983,880,900/18,220,325
  6. Step 6: Final answer
    x = 42,843,032.93

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.