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Finding the Third Proportional to 103,658,503 and 239,975,812

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Solution

The third proportional to 103,658,503 and 239,975,812 is: 555,558,769.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,658,503 : 239,975,812 = 239,975,812 : x
  2. Step 2: Convert to fraction form
    103,658,503/239,975,812 = 239,975,812/x
  3. Step 3: Cross multiply
    103,658,503x = 239,975,812 × 239,975,812
  4. Step 4: Simplify right side
    103,658,503x = 57,588,390,345,059,344
  5. Step 5: Solve for x
    x = 57,588,390,345,059,344/103,658,503
  6. Step 6: Final answer
    x = 555,558,769.21

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.