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Finding the Third Proportional to 755,000 and 1,628,080

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Solution

The third proportional to 755,000 and 1,628,080 is: 3,510,787.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,000 : 1,628,080 = 1,628,080 : x
  2. Step 2: Convert to fraction form
    755,000/1,628,080 = 1,628,080/x
  3. Step 3: Cross multiply
    755,000x = 1,628,080 × 1,628,080
  4. Step 4: Simplify right side
    755,000x = 2,650,644,486,400
  5. Step 5: Solve for x
    x = 2,650,644,486,400/755,000
  6. Step 6: Final answer
    x = 3,510,787.40

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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.