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Finding the Third Proportional to 196,593,918 and 425,900,976

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Solution

The third proportional to 196,593,918 and 425,900,976 is: 922,671,683.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,593,918 : 425,900,976 = 425,900,976 : x
  2. Step 2: Convert to fraction form
    196,593,918/425,900,976 = 425,900,976/x
  3. Step 3: Cross multiply
    196,593,918x = 425,900,976 × 425,900,976
  4. Step 4: Simplify right side
    196,593,918x = 181,391,641,357,752,576
  5. Step 5: Solve for x
    x = 181,391,641,357,752,576/196,593,918
  6. Step 6: Final answer
    x = 922,671,683.86

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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.