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Finding the Third Proportional to 556,132 and 1,214,200

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Solution

The third proportional to 556,132 and 1,214,200 is: 2,650,956.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,132 : 1,214,200 = 1,214,200 : x
  2. Step 2: Convert to fraction form
    556,132/1,214,200 = 1,214,200/x
  3. Step 3: Cross multiply
    556,132x = 1,214,200 × 1,214,200
  4. Step 4: Simplify right side
    556,132x = 1,474,281,640,000
  5. Step 5: Solve for x
    x = 1,474,281,640,000/556,132
  6. Step 6: Final answer
    x = 2,650,956.32

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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.