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Finding the Third Proportional to 555,712 and 1,214,172

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Solution

The third proportional to 555,712 and 1,214,172 is: 2,652,837.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,712 : 1,214,172 = 1,214,172 : x
  2. Step 2: Convert to fraction form
    555,712/1,214,172 = 1,214,172/x
  3. Step 3: Cross multiply
    555,712x = 1,214,172 × 1,214,172
  4. Step 4: Simplify right side
    555,712x = 1,474,213,645,584
  5. Step 5: Solve for x
    x = 1,474,213,645,584/555,712
  6. Step 6: Final answer
    x = 2,652,837.52

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.