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Finding the Third Proportional to 103,673,556 and 222,732,549

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Solution

The third proportional to 103,673,556 and 222,732,549 is: 478,519,212.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,673,556 : 222,732,549 = 222,732,549 : x
  2. Step 2: Convert to fraction form
    103,673,556/222,732,549 = 222,732,549/x
  3. Step 3: Cross multiply
    103,673,556x = 222,732,549 × 222,732,549
  4. Step 4: Simplify right side
    103,673,556x = 49,609,788,384,037,400
  5. Step 5: Solve for x
    x = 49,609,788,384,037,400/103,673,556
  6. Step 6: Final answer
    x = 478,519,212.59

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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.