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Finding the Third Proportional to 485,352 and 734,814.75

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Solution

The third proportional to 485,352 and 734,814.75 is: 1,112,497.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,352 : 734,814.75 = 734,814.75 : x
  2. Step 2: Convert to fraction form
    485,352/734,814.75 = 734,814.75/x
  3. Step 3: Cross multiply
    485,352x = 734,814.75 × 734,814.75
  4. Step 4: Simplify right side
    485,352x = 539,952,716,817.56
  5. Step 5: Solve for x
    x = 539,952,716,817.56/485,352
  6. Step 6: Final answer
    x = 1,112,497.15

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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.