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Finding the Third Proportional to 30,218,969 and 64,749,745

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Solution

The third proportional to 30,218,969 and 64,749,745 is: 138,738,336.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,218,969 : 64,749,745 = 64,749,745 : x
  2. Step 2: Convert to fraction form
    30,218,969/64,749,745 = 64,749,745/x
  3. Step 3: Cross multiply
    30,218,969x = 64,749,745 × 64,749,745
  4. Step 4: Simplify right side
    30,218,969x = 4,192,529,477,565,025
  5. Step 5: Solve for x
    x = 4,192,529,477,565,025/30,218,969
  6. Step 6: Final answer
    x = 138,738,336.09

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.