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Finding the Third Proportional to 586,890 and 1,219,698

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Solution

The third proportional to 586,890 and 1,219,698 is: 2,534,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,890 : 1,219,698 = 1,219,698 : x
  2. Step 2: Convert to fraction form
    586,890/1,219,698 = 1,219,698/x
  3. Step 3: Cross multiply
    586,890x = 1,219,698 × 1,219,698
  4. Step 4: Simplify right side
    586,890x = 1,487,663,211,204
  5. Step 5: Solve for x
    x = 1,487,663,211,204/586,890
  6. Step 6: Final answer
    x = 2,534,824.60

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.