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Finding the Third Proportional to 39,274,768 and 81,276,448

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Solution

The third proportional to 39,274,768 and 81,276,448 is: 168,196,054.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,274,768 : 81,276,448 = 81,276,448 : x
  2. Step 2: Convert to fraction form
    39,274,768/81,276,448 = 81,276,448/x
  3. Step 3: Cross multiply
    39,274,768x = 81,276,448 × 81,276,448
  4. Step 4: Simplify right side
    39,274,768x = 6,605,860,999,496,704
  5. Step 5: Solve for x
    x = 6,605,860,999,496,704/39,274,768
  6. Step 6: Final answer
    x = 168,196,054.00

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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.