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Finding the Third Proportional to 4,903,220 and 7,561,616

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Solution

The third proportional to 4,903,220 and 7,561,616 is: 11,661,323.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,903,220 : 7,561,616 = 7,561,616 : x
  2. Step 2: Convert to fraction form
    4,903,220/7,561,616 = 7,561,616/x
  3. Step 3: Cross multiply
    4,903,220x = 7,561,616 × 7,561,616
  4. Step 4: Simplify right side
    4,903,220x = 57,178,036,531,456
  5. Step 5: Solve for x
    x = 57,178,036,531,456/4,903,220
  6. Step 6: Final answer
    x = 11,661,323.89

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.