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Finding the Third Proportional to 542,676 and 1,157,400

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Solution

The third proportional to 542,676 and 1,157,400 is: 2,468,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,676 : 1,157,400 = 1,157,400 : x
  2. Step 2: Convert to fraction form
    542,676/1,157,400 = 1,157,400/x
  3. Step 3: Cross multiply
    542,676x = 1,157,400 × 1,157,400
  4. Step 4: Simplify right side
    542,676x = 1,339,574,760,000
  5. Step 5: Solve for x
    x = 1,339,574,760,000/542,676
  6. Step 6: Final answer
    x = 2,468,461.40

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.