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Finding the Third Proportional to 696,600 and 1,042,200

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Solution

The third proportional to 696,600 and 1,042,200 is: 1,559,260.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,600 : 1,042,200 = 1,042,200 : x
  2. Step 2: Convert to fraction form
    696,600/1,042,200 = 1,042,200/x
  3. Step 3: Cross multiply
    696,600x = 1,042,200 × 1,042,200
  4. Step 4: Simplify right side
    696,600x = 1,086,180,840,000
  5. Step 5: Solve for x
    x = 1,086,180,840,000/696,600
  6. Step 6: Final answer
    x = 1,559,260.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.