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Finding the Third Proportional to 28,987.75 and 46,111.75

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Solution

The third proportional to 28,987.75 and 46,111.75 is: 73,351.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,987.75 : 46,111.75 = 46,111.75 : x
  2. Step 2: Convert to fraction form
    28,987.75/46,111.75 = 46,111.75/x
  3. Step 3: Cross multiply
    28,987.75x = 46,111.75 × 46,111.75
  4. Step 4: Simplify right side
    28,987.75x = 2,126,293,488.06
  5. Step 5: Solve for x
    x = 2,126,293,488.06/28,987.75
  6. Step 6: Final answer
    x = 73,351.45

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.