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Finding the Third Proportional to 542,970 and 1,170,080

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Solution

The third proportional to 542,970 and 1,170,080 is: 2,521,478.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,970 : 1,170,080 = 1,170,080 : x
  2. Step 2: Convert to fraction form
    542,970/1,170,080 = 1,170,080/x
  3. Step 3: Cross multiply
    542,970x = 1,170,080 × 1,170,080
  4. Step 4: Simplify right side
    542,970x = 1,369,087,206,400
  5. Step 5: Solve for x
    x = 1,369,087,206,400/542,970
  6. Step 6: Final answer
    x = 2,521,478.55

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.