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Finding the Third Proportional to 987,885,122.63 and 1,950,785,957.25

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Solution

The third proportional to 987,885,122.63 and 1,950,785,957.25 is: 3,852,235,208.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,885,122.63 : 1,950,785,957.25 = 1,950,785,957.25 : x
  2. Step 2: Convert to fraction form
    987,885,122.63/1,950,785,957.25 = 1,950,785,957.25/x
  3. Step 3: Cross multiply
    987,885,122.63x = 1,950,785,957.25 × 1,950,785,957.25
  4. Step 4: Simplify right side
    987,885,122.63x = 3,805,565,851,003,799,040
  5. Step 5: Solve for x
    x = 3,805,565,851,003,799,040/987,885,122.63
  6. Step 6: Final answer
    x = 3,852,235,208.17

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.