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Finding the Third Proportional to 291,135.75 and 462,948

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Solution

The third proportional to 291,135.75 and 462,948 is: 736,154.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,135.75 : 462,948 = 462,948 : x
  2. Step 2: Convert to fraction form
    291,135.75/462,948 = 462,948/x
  3. Step 3: Cross multiply
    291,135.75x = 462,948 × 462,948
  4. Step 4: Simplify right side
    291,135.75x = 214,320,850,704
  5. Step 5: Solve for x
    x = 214,320,850,704/291,135.75
  6. Step 6: Final answer
    x = 736,154.36

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.