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Finding the Third Proportional to 702,390 and 1,517,100

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Solution

The third proportional to 702,390 and 1,517,100 is: 3,276,801.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,390 : 1,517,100 = 1,517,100 : x
  2. Step 2: Convert to fraction form
    702,390/1,517,100 = 1,517,100/x
  3. Step 3: Cross multiply
    702,390x = 1,517,100 × 1,517,100
  4. Step 4: Simplify right side
    702,390x = 2,301,592,410,000
  5. Step 5: Solve for x
    x = 2,301,592,410,000/702,390
  6. Step 6: Final answer
    x = 3,276,801.22

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.