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Finding the Third Proportional to 75,775 and 118,873.50

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Solution

The third proportional to 75,775 and 118,873.50 is: 186,485.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,775 : 118,873.50 = 118,873.50 : x
  2. Step 2: Convert to fraction form
    75,775/118,873.50 = 118,873.50/x
  3. Step 3: Cross multiply
    75,775x = 118,873.50 × 118,873.50
  4. Step 4: Simplify right side
    75,775x = 14,130,909,002.25
  5. Step 5: Solve for x
    x = 14,130,909,002.25/75,775
  6. Step 6: Final answer
    x = 186,485.11

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.