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Finding the Third Proportional to 17,992,423 and 39,179,486

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Solution

The third proportional to 17,992,423 and 39,179,486 is: 85,315,475.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,992,423 : 39,179,486 = 39,179,486 : x
  2. Step 2: Convert to fraction form
    17,992,423/39,179,486 = 39,179,486/x
  3. Step 3: Cross multiply
    17,992,423x = 39,179,486 × 39,179,486
  4. Step 4: Simplify right side
    17,992,423x = 1,535,032,123,224,196
  5. Step 5: Solve for x
    x = 1,535,032,123,224,196/17,992,423
  6. Step 6: Final answer
    x = 85,315,475.48

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.