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Finding the Third Proportional to 19,419 and 29,488.50

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Solution

The third proportional to 19,419 and 29,488.50 is: 44,779.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419 : 29,488.50 = 29,488.50 : x
  2. Step 2: Convert to fraction form
    19,419/29,488.50 = 29,488.50/x
  3. Step 3: Cross multiply
    19,419x = 29,488.50 × 29,488.50
  4. Step 4: Simplify right side
    19,419x = 869,571,632.25
  5. Step 5: Solve for x
    x = 869,571,632.25/19,419
  6. Step 6: Final answer
    x = 44,779.42

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.