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Finding the Third Proportional to 452,786 and 612,749

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Solution

The third proportional to 452,786 and 612,749 is: 829,224.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,786 : 612,749 = 612,749 : x
  2. Step 2: Convert to fraction form
    452,786/612,749 = 612,749/x
  3. Step 3: Cross multiply
    452,786x = 612,749 × 612,749
  4. Step 4: Simplify right side
    452,786x = 375,461,337,001
  5. Step 5: Solve for x
    x = 375,461,337,001/452,786
  6. Step 6: Final answer
    x = 829,224.70

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.