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Finding the Third Proportional to 154,487,542 and 321,673,964

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Solution

The third proportional to 154,487,542 and 321,673,964 is: 669,789,536.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,487,542 : 321,673,964 = 321,673,964 : x
  2. Step 2: Convert to fraction form
    154,487,542/321,673,964 = 321,673,964/x
  3. Step 3: Cross multiply
    154,487,542x = 321,673,964 × 321,673,964
  4. Step 4: Simplify right side
    154,487,542x = 103,474,139,115,473,296
  5. Step 5: Solve for x
    x = 103,474,139,115,473,296/154,487,542
  6. Step 6: Final answer
    x = 669,789,536.27

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.