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Finding the Third Proportional to 714,240 and 1,080,576

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Solution

The third proportional to 714,240 and 1,080,576 is: 1,634,806.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,240 : 1,080,576 = 1,080,576 : x
  2. Step 2: Convert to fraction form
    714,240/1,080,576 = 1,080,576/x
  3. Step 3: Cross multiply
    714,240x = 1,080,576 × 1,080,576
  4. Step 4: Simplify right side
    714,240x = 1,167,644,491,776
  5. Step 5: Solve for x
    x = 1,167,644,491,776/714,240
  6. Step 6: Final answer
    x = 1,634,806.92

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.