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Finding the Third Proportional to 139,239,778 and 301,620,932

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Solution

The third proportional to 139,239,778 and 301,620,932 is: 653,370,666.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,239,778 : 301,620,932 = 301,620,932 : x
  2. Step 2: Convert to fraction form
    139,239,778/301,620,932 = 301,620,932/x
  3. Step 3: Cross multiply
    139,239,778x = 301,620,932 × 301,620,932
  4. Step 4: Simplify right side
    139,239,778x = 90,975,186,620,548,624
  5. Step 5: Solve for x
    x = 90,975,186,620,548,624/139,239,778
  6. Step 6: Final answer
    x = 653,370,666.97

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.