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Finding the Third Proportional to 376,370,277.88 and 815,281,647.75

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Solution

The third proportional to 376,370,277.88 and 815,281,647.75 is: 1,766,037,873.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,370,277.88 : 815,281,647.75 = 815,281,647.75 : x
  2. Step 2: Convert to fraction form
    376,370,277.88/815,281,647.75 = 815,281,647.75/x
  3. Step 3: Cross multiply
    376,370,277.88x = 815,281,647.75 × 815,281,647.75
  4. Step 4: Simplify right side
    376,370,277.88x = 664,684,165,157,955,072
  5. Step 5: Solve for x
    x = 664,684,165,157,955,072/376,370,277.88
  6. Step 6: Final answer
    x = 1,766,037,873.42

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.