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Finding the Third Proportional to 30,250,672 and 66,379,040

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Solution

The third proportional to 30,250,672 and 66,379,040 is: 145,655,506.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,250,672 : 66,379,040 = 66,379,040 : x
  2. Step 2: Convert to fraction form
    30,250,672/66,379,040 = 66,379,040/x
  3. Step 3: Cross multiply
    30,250,672x = 66,379,040 × 66,379,040
  4. Step 4: Simplify right side
    30,250,672x = 4,406,176,951,321,600
  5. Step 5: Solve for x
    x = 4,406,176,951,321,600/30,250,672
  6. Step 6: Final answer
    x = 145,655,506.47

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.