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Finding the Third Proportional to 69,566,172 and 151,119,288

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Solution

The third proportional to 69,566,172 and 151,119,288 is: 328,277,933.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,566,172 : 151,119,288 = 151,119,288 : x
  2. Step 2: Convert to fraction form
    69,566,172/151,119,288 = 151,119,288/x
  3. Step 3: Cross multiply
    69,566,172x = 151,119,288 × 151,119,288
  4. Step 4: Simplify right side
    69,566,172x = 22,837,039,205,626,944
  5. Step 5: Solve for x
    x = 22,837,039,205,626,944/69,566,172
  6. Step 6: Final answer
    x = 328,277,933.79

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.