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Finding the Third Proportional to 30,002,836.50 and 65,457,067.50

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Solution

The third proportional to 30,002,836.50 and 65,457,067.50 is: 142,807,420.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,002,836.50 : 65,457,067.50 = 65,457,067.50 : x
  2. Step 2: Convert to fraction form
    30,002,836.50/65,457,067.50 = 65,457,067.50/x
  3. Step 3: Cross multiply
    30,002,836.50x = 65,457,067.50 × 65,457,067.50
  4. Step 4: Simplify right side
    30,002,836.50x = 4,284,627,685,699,556
  5. Step 5: Solve for x
    x = 4,284,627,685,699,556/30,002,836.50
  6. Step 6: Final answer
    x = 142,807,420.42

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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.