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Finding the Third Proportional to 19,143 and 28,998

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Solution

The third proportional to 19,143 and 28,998 is: 43,926.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143 : 28,998 = 28,998 : x
  2. Step 2: Convert to fraction form
    19,143/28,998 = 28,998/x
  3. Step 3: Cross multiply
    19,143x = 28,998 × 28,998
  4. Step 4: Simplify right side
    19,143x = 840,884,004
  5. Step 5: Solve for x
    x = 840,884,004/19,143
  6. Step 6: Final answer
    x = 43,926.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.