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Finding the Third Proportional to 20,445.75 and 45,015.75

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Solution

The third proportional to 20,445.75 and 45,015.75 is: 99,111.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,445.75 : 45,015.75 = 45,015.75 : x
  2. Step 2: Convert to fraction form
    20,445.75/45,015.75 = 45,015.75/x
  3. Step 3: Cross multiply
    20,445.75x = 45,015.75 × 45,015.75
  4. Step 4: Simplify right side
    20,445.75x = 2,026,417,748.06
  5. Step 5: Solve for x
    x = 2,026,417,748.06/20,445.75
  6. Step 6: Final answer
    x = 99,111.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.