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Finding the Third Proportional to 4,679,940 and 10,058,343

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Solution

The third proportional to 4,679,940 and 10,058,343 is: 21,617,854.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679,940 : 10,058,343 = 10,058,343 : x
  2. Step 2: Convert to fraction form
    4,679,940/10,058,343 = 10,058,343/x
  3. Step 3: Cross multiply
    4,679,940x = 10,058,343 × 10,058,343
  4. Step 4: Simplify right side
    4,679,940x = 101,170,263,905,649
  5. Step 5: Solve for x
    x = 101,170,263,905,649/4,679,940
  6. Step 6: Final answer
    x = 21,617,854.91

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.