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Finding the Third Proportional to 18,689,837.25 and 27,325,194.88

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Solution

The third proportional to 18,689,837.25 and 27,325,194.88 is: 39,950,389.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,689,837.25 : 27,325,194.88 = 27,325,194.88 : x
  2. Step 2: Convert to fraction form
    18,689,837.25/27,325,194.88 = 27,325,194.88/x
  3. Step 3: Cross multiply
    18,689,837.25x = 27,325,194.88 × 27,325,194.88
  4. Step 4: Simplify right side
    18,689,837.25x = 746,666,274,956,726.25
  5. Step 5: Solve for x
    x = 746,666,274,956,726.25/18,689,837.25
  6. Step 6: Final answer
    x = 39,950,389.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.