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Finding the Third Proportional to 903,746,520 and 1,396,517,525

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Solution

The third proportional to 903,746,520 and 1,396,517,525 is: 2,157,973,673.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,746,520 : 1,396,517,525 = 1,396,517,525 : x
  2. Step 2: Convert to fraction form
    903,746,520/1,396,517,525 = 1,396,517,525/x
  3. Step 3: Cross multiply
    903,746,520x = 1,396,517,525 × 1,396,517,525
  4. Step 4: Simplify right side
    903,746,520x = 1,950,261,197,632,125,696
  5. Step 5: Solve for x
    x = 1,950,261,197,632,125,696/903,746,520
  6. Step 6: Final answer
    x = 2,157,973,673.45

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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.