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Finding the Third Proportional to 76,409,469 and 108,015,477

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Solution

The third proportional to 76,409,469 and 108,015,477 is: 152,694,992.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,409,469 : 108,015,477 = 108,015,477 : x
  2. Step 2: Convert to fraction form
    76,409,469/108,015,477 = 108,015,477/x
  3. Step 3: Cross multiply
    76,409,469x = 108,015,477 × 108,015,477
  4. Step 4: Simplify right side
    76,409,469x = 11,667,343,271,537,528
  5. Step 5: Solve for x
    x = 11,667,343,271,537,528/76,409,469
  6. Step 6: Final answer
    x = 152,694,992.18

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.