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Finding the Third Proportional to 291,112 and 462,913

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Solution

The third proportional to 291,112 and 462,913 is: 736,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,112 : 462,913 = 462,913 : x
  2. Step 2: Convert to fraction form
    291,112/462,913 = 462,913/x
  3. Step 3: Cross multiply
    291,112x = 462,913 × 462,913
  4. Step 4: Simplify right side
    291,112x = 214,288,445,569
  5. Step 5: Solve for x
    x = 214,288,445,569/291,112
  6. Step 6: Final answer
    x = 736,103.10

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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.