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Finding the Third Proportional to 39,050,312 and 81,332,790

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Solution

The third proportional to 39,050,312 and 81,332,790 is: 169,397,436.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,050,312 : 81,332,790 = 81,332,790 : x
  2. Step 2: Convert to fraction form
    39,050,312/81,332,790 = 81,332,790/x
  3. Step 3: Cross multiply
    39,050,312x = 81,332,790 × 81,332,790
  4. Step 4: Simplify right side
    39,050,312x = 6,615,022,729,184,100
  5. Step 5: Solve for x
    x = 6,615,022,729,184,100/39,050,312
  6. Step 6: Final answer
    x = 169,397,436.04

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.