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Finding the Third Proportional to 376,370,277.50 and 815,281,647

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Solution

The third proportional to 376,370,277.50 and 815,281,647 is: 1,766,037,871.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,370,277.50 : 815,281,647 = 815,281,647 : x
  2. Step 2: Convert to fraction form
    376,370,277.50/815,281,647 = 815,281,647/x
  3. Step 3: Cross multiply
    376,370,277.50x = 815,281,647 × 815,281,647
  4. Step 4: Simplify right side
    376,370,277.50x = 664,684,163,935,032,576
  5. Step 5: Solve for x
    x = 664,684,163,935,032,576/376,370,277.50
  6. Step 6: Final answer
    x = 1,766,037,871.93

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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.