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Finding the Third Proportional to 39,274,752 and 81,276,416

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Solution

The third proportional to 39,274,752 and 81,276,416 is: 168,195,990.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,274,752 : 81,276,416 = 81,276,416 : x
  2. Step 2: Convert to fraction form
    39,274,752/81,276,416 = 81,276,416/x
  3. Step 3: Cross multiply
    39,274,752x = 81,276,416 × 81,276,416
  4. Step 4: Simplify right side
    39,274,752x = 6,605,855,797,805,056
  5. Step 5: Solve for x
    x = 6,605,855,797,805,056/39,274,752
  6. Step 6: Final answer
    x = 168,195,990.08

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.