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Finding the Third Proportional to 30,699,500 and 66,954,892

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Solution

The third proportional to 30,699,500 and 66,954,892 is: 146,027,054.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,699,500 : 66,954,892 = 66,954,892 : x
  2. Step 2: Convert to fraction form
    30,699,500/66,954,892 = 66,954,892/x
  3. Step 3: Cross multiply
    30,699,500x = 66,954,892 × 66,954,892
  4. Step 4: Simplify right side
    30,699,500x = 4,482,957,562,731,664
  5. Step 5: Solve for x
    x = 4,482,957,562,731,664/30,699,500
  6. Step 6: Final answer
    x = 146,027,054.60

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.