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Finding the Third Proportional to 19,485 and 29,398.50

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Solution

The third proportional to 19,485 and 29,398.50 is: 44,355.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,485 : 29,398.50 = 29,398.50 : x
  2. Step 2: Convert to fraction form
    19,485/29,398.50 = 29,398.50/x
  3. Step 3: Cross multiply
    19,485x = 29,398.50 × 29,398.50
  4. Step 4: Simplify right side
    19,485x = 864,271,802.25
  5. Step 5: Solve for x
    x = 864,271,802.25/19,485
  6. Step 6: Final answer
    x = 44,355.75

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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.