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Finding the Third Proportional to 10,839,485.81 and 15,959,784.38

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Solution

The third proportional to 10,839,485.81 and 15,959,784.38 is: 23,498,782.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,839,485.81 : 15,959,784.38 = 15,959,784.38 : x
  2. Step 2: Convert to fraction form
    10,839,485.81/15,959,784.38 = 15,959,784.38/x
  3. Step 3: Cross multiply
    10,839,485.81x = 15,959,784.38 × 15,959,784.38
  4. Step 4: Simplify right side
    10,839,485.81x = 254,714,717,296,494.12
  5. Step 5: Solve for x
    x = 254,714,717,296,494.12/10,839,485.81
  6. Step 6: Final answer
    x = 23,498,782.29

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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.