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Finding the Third Proportional to 71,539,960.50 and 154,964,770.50

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Solution

The third proportional to 71,539,960.50 and 154,964,770.50 is: 335,673,656.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,539,960.50 : 154,964,770.50 = 154,964,770.50 : x
  2. Step 2: Convert to fraction form
    71,539,960.50/154,964,770.50 = 154,964,770.50/x
  3. Step 3: Cross multiply
    71,539,960.50x = 154,964,770.50 × 154,964,770.50
  4. Step 4: Simplify right side
    71,539,960.50x = 24,014,080,096,117,672
  5. Step 5: Solve for x
    x = 24,014,080,096,117,672/71,539,960.50
  6. Step 6: Final answer
    x = 335,673,656.07

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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.