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Finding the Third Proportional to 18,004,579 and 39,424,279

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Solution

The third proportional to 18,004,579 and 39,424,279 is: 86,326,582.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,004,579 : 39,424,279 = 39,424,279 : x
  2. Step 2: Convert to fraction form
    18,004,579/39,424,279 = 39,424,279/x
  3. Step 3: Cross multiply
    18,004,579x = 39,424,279 × 39,424,279
  4. Step 4: Simplify right side
    18,004,579x = 1,554,273,774,669,841
  5. Step 5: Solve for x
    x = 1,554,273,774,669,841/18,004,579
  6. Step 6: Final answer
    x = 86,326,582.51

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.