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Finding the Third Proportional to 190,632,974 and 294,576,555

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Solution

The third proportional to 190,632,974 and 294,576,555 is: 455,195,892.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,632,974 : 294,576,555 = 294,576,555 : x
  2. Step 2: Convert to fraction form
    190,632,974/294,576,555 = 294,576,555/x
  3. Step 3: Cross multiply
    190,632,974x = 294,576,555 × 294,576,555
  4. Step 4: Simplify right side
    190,632,974x = 86,775,346,755,668,032
  5. Step 5: Solve for x
    x = 86,775,346,755,668,032/190,632,974
  6. Step 6: Final answer
    x = 455,195,892.58

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.