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Finding the Third Proportional to 7,220,316 and 15,857,616

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Solution

The third proportional to 7,220,316 and 15,857,616 is: 34,827,282.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220,316 : 15,857,616 = 15,857,616 : x
  2. Step 2: Convert to fraction form
    7,220,316/15,857,616 = 15,857,616/x
  3. Step 3: Cross multiply
    7,220,316x = 15,857,616 × 15,857,616
  4. Step 4: Simplify right side
    7,220,316x = 251,463,985,203,456
  5. Step 5: Solve for x
    x = 251,463,985,203,456/7,220,316
  6. Step 6: Final answer
    x = 34,827,282.52

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.