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Finding the Third Proportional to 4,890,890 and 11,508,058

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Solution

The third proportional to 4,890,890 and 11,508,058 is: 27,077,975.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890,890 : 11,508,058 = 11,508,058 : x
  2. Step 2: Convert to fraction form
    4,890,890/11,508,058 = 11,508,058/x
  3. Step 3: Cross multiply
    4,890,890x = 11,508,058 × 11,508,058
  4. Step 4: Simplify right side
    4,890,890x = 132,435,398,931,364
  5. Step 5: Solve for x
    x = 132,435,398,931,364/4,890,890
  6. Step 6: Final answer
    x = 27,077,975.36

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.