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Finding the Third Proportional to 561,220 and 1,202,132

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Solution

The third proportional to 561,220 and 1,202,132 is: 2,574,964.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,220 : 1,202,132 = 1,202,132 : x
  2. Step 2: Convert to fraction form
    561,220/1,202,132 = 1,202,132/x
  3. Step 3: Cross multiply
    561,220x = 1,202,132 × 1,202,132
  4. Step 4: Simplify right side
    561,220x = 1,445,121,345,424
  5. Step 5: Solve for x
    x = 1,445,121,345,424/561,220
  6. Step 6: Final answer
    x = 2,574,964.09

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.