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Finding the Third Proportional to 1,721,989.13 and 3,758,701.22

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Solution

The third proportional to 1,721,989.13 and 3,758,701.22 is: 8,204,369.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,989.13 : 3,758,701.22 = 3,758,701.22 : x
  2. Step 2: Convert to fraction form
    1,721,989.13/3,758,701.22 = 3,758,701.22/x
  3. Step 3: Cross multiply
    1,721,989.13x = 3,758,701.22 × 3,758,701.22
  4. Step 4: Simplify right side
    1,721,989.13x = 14,127,834,851,832.73
  5. Step 5: Solve for x
    x = 14,127,834,851,832.73/1,721,989.13
  6. Step 6: Final answer
    x = 8,204,369.38

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.