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Finding the Third Proportional to 30,640,152 and 47,507,652

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Solution

The third proportional to 30,640,152 and 47,507,652 is: 73,660,763.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,640,152 : 47,507,652 = 47,507,652 : x
  2. Step 2: Convert to fraction form
    30,640,152/47,507,652 = 47,507,652/x
  3. Step 3: Cross multiply
    30,640,152x = 47,507,652 × 47,507,652
  4. Step 4: Simplify right side
    30,640,152x = 2,256,976,998,553,104
  5. Step 5: Solve for x
    x = 2,256,976,998,553,104/30,640,152
  6. Step 6: Final answer
    x = 73,660,763.78

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.