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Finding the Third Proportional to 187,164,836 and 290,953,928

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Solution

The third proportional to 187,164,836 and 290,953,928 is: 452,297,504.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,164,836 : 290,953,928 = 290,953,928 : x
  2. Step 2: Convert to fraction form
    187,164,836/290,953,928 = 290,953,928/x
  3. Step 3: Cross multiply
    187,164,836x = 290,953,928 × 290,953,928
  4. Step 4: Simplify right side
    187,164,836x = 84,654,188,218,629,184
  5. Step 5: Solve for x
    x = 84,654,188,218,629,184/187,164,836
  6. Step 6: Final answer
    x = 452,297,504.32

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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.