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Finding the Third Proportional to 39,050,310 and 81,332,786

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Solution

The third proportional to 39,050,310 and 81,332,786 is: 169,397,428.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,050,310 : 81,332,786 = 81,332,786 : x
  2. Step 2: Convert to fraction form
    39,050,310/81,332,786 = 81,332,786/x
  3. Step 3: Cross multiply
    39,050,310x = 81,332,786 × 81,332,786
  4. Step 4: Simplify right side
    39,050,310x = 6,615,022,078,521,796
  5. Step 5: Solve for x
    x = 6,615,022,078,521,796/39,050,310
  6. Step 6: Final answer
    x = 169,397,428.05

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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.