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Finding the Third Proportional to 12,942,758 and 28,161,868

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Solution

The third proportional to 12,942,758 and 28,161,868 is: 61,276,801.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942,758 : 28,161,868 = 28,161,868 : x
  2. Step 2: Convert to fraction form
    12,942,758/28,161,868 = 28,161,868/x
  3. Step 3: Cross multiply
    12,942,758x = 28,161,868 × 28,161,868
  4. Step 4: Simplify right side
    12,942,758x = 793,090,809,249,424
  5. Step 5: Solve for x
    x = 793,090,809,249,424/12,942,758
  6. Step 6: Final answer
    x = 61,276,801.22

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.