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Finding the Third Proportional to 18,463,485 and 42,739,629

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Solution

The third proportional to 18,463,485 and 42,739,629 is: 98,934,512.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,463,485 : 42,739,629 = 42,739,629 : x
  2. Step 2: Convert to fraction form
    18,463,485/42,739,629 = 42,739,629/x
  3. Step 3: Cross multiply
    18,463,485x = 42,739,629 × 42,739,629
  4. Step 4: Simplify right side
    18,463,485x = 1,826,675,887,057,641
  5. Step 5: Solve for x
    x = 1,826,675,887,057,641/18,463,485
  6. Step 6: Final answer
    x = 98,934,512.47

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.