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Finding the Third Proportional to 8,216,197 and 17,731,453

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Solution

The third proportional to 8,216,197 and 17,731,453 is: 38,266,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216,197 : 17,731,453 = 17,731,453 : x
  2. Step 2: Convert to fraction form
    8,216,197/17,731,453 = 17,731,453/x
  3. Step 3: Cross multiply
    8,216,197x = 17,731,453 × 17,731,453
  4. Step 4: Simplify right side
    8,216,197x = 314,404,425,491,209
  5. Step 5: Solve for x
    x = 314,404,425,491,209/8,216,197
  6. Step 6: Final answer
    x = 38,266,417.60

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.