Home / 12,191,899.50-16,718,421.75

Finding the Third Proportional to 12,191,899.50 and 16,718,421.75

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Solution

The third proportional to 12,191,899.50 and 16,718,421.75 is: 22,925,519.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,191,899.50 : 16,718,421.75 = 16,718,421.75 : x
  2. Step 2: Convert to fraction form
    12,191,899.50/16,718,421.75 = 16,718,421.75/x
  3. Step 3: Cross multiply
    12,191,899.50x = 16,718,421.75 × 16,718,421.75
  4. Step 4: Simplify right side
    12,191,899.50x = 279,505,625,810,873.06
  5. Step 5: Solve for x
    x = 279,505,625,810,873.06/12,191,899.50
  6. Step 6: Final answer
    x = 22,925,519.18

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.