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Finding the Third Proportional to 1,533,520 and 2,321,772

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Solution

The third proportional to 1,533,520 and 2,321,772 is: 3,515,197.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,520 : 2,321,772 = 2,321,772 : x
  2. Step 2: Convert to fraction form
    1,533,520/2,321,772 = 2,321,772/x
  3. Step 3: Cross multiply
    1,533,520x = 2,321,772 × 2,321,772
  4. Step 4: Simplify right side
    1,533,520x = 5,390,625,219,984
  5. Step 5: Solve for x
    x = 5,390,625,219,984/1,533,520
  6. Step 6: Final answer
    x = 3,515,197.21

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.