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Finding the Third Proportional to 860,929.50 and 1,876,869.75

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Solution

The third proportional to 860,929.50 and 1,876,869.75 is: 4,091,670.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,929.50 : 1,876,869.75 = 1,876,869.75 : x
  2. Step 2: Convert to fraction form
    860,929.50/1,876,869.75 = 1,876,869.75/x
  3. Step 3: Cross multiply
    860,929.50x = 1,876,869.75 × 1,876,869.75
  4. Step 4: Simplify right side
    860,929.50x = 3,522,640,058,465.06
  5. Step 5: Solve for x
    x = 3,522,640,058,465.06/860,929.50
  6. Step 6: Final answer
    x = 4,091,670.76

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.