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Finding the Third Proportional to 3,220,834 and 7,020,372

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Solution

The third proportional to 3,220,834 and 7,020,372 is: 15,302,130.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220,834 : 7,020,372 = 7,020,372 : x
  2. Step 2: Convert to fraction form
    3,220,834/7,020,372 = 7,020,372/x
  3. Step 3: Cross multiply
    3,220,834x = 7,020,372 × 7,020,372
  4. Step 4: Simplify right side
    3,220,834x = 49,285,623,018,384
  5. Step 5: Solve for x
    x = 49,285,623,018,384/3,220,834
  6. Step 6: Final answer
    x = 15,302,130.76

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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.