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Finding the Third Proportional to 376,370,218 and 815,281,528

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Solution

The third proportional to 376,370,218 and 815,281,528 is: 1,766,037,635.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,370,218 : 815,281,528 = 815,281,528 : x
  2. Step 2: Convert to fraction form
    376,370,218/815,281,528 = 815,281,528/x
  3. Step 3: Cross multiply
    376,370,218x = 815,281,528 × 815,281,528
  4. Step 4: Simplify right side
    376,370,218x = 664,683,969,898,014,720
  5. Step 5: Solve for x
    x = 664,683,969,898,014,720/376,370,218
  6. Step 6: Final answer
    x = 1,766,037,635.58

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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.