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Finding the Third Proportional to 375,904 and 782,910

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Solution

The third proportional to 375,904 and 782,910 is: 1,630,597.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,904 : 782,910 = 782,910 : x
  2. Step 2: Convert to fraction form
    375,904/782,910 = 782,910/x
  3. Step 3: Cross multiply
    375,904x = 782,910 × 782,910
  4. Step 4: Simplify right side
    375,904x = 612,948,068,100
  5. Step 5: Solve for x
    x = 612,948,068,100/375,904
  6. Step 6: Final answer
    x = 1,630,597.35

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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.