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Finding the Third Proportional to 874,278 and 1,881,418.50

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Solution

The third proportional to 874,278 and 1,881,418.50 is: 4,048,752.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,278 : 1,881,418.50 = 1,881,418.50 : x
  2. Step 2: Convert to fraction form
    874,278/1,881,418.50 = 1,881,418.50/x
  3. Step 3: Cross multiply
    874,278x = 1,881,418.50 × 1,881,418.50
  4. Step 4: Simplify right side
    874,278x = 3,539,735,572,142.25
  5. Step 5: Solve for x
    x = 3,539,735,572,142.25/874,278
  6. Step 6: Final answer
    x = 4,048,752.88

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.