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Finding the Third Proportional to 112,643.50 and 157,482.75

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Solution

The third proportional to 112,643.50 and 157,482.75 is: 220,170.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,643.50 : 157,482.75 = 157,482.75 : x
  2. Step 2: Convert to fraction form
    112,643.50/157,482.75 = 157,482.75/x
  3. Step 3: Cross multiply
    112,643.50x = 157,482.75 × 157,482.75
  4. Step 4: Simplify right side
    112,643.50x = 24,800,816,547.56
  5. Step 5: Solve for x
    x = 24,800,816,547.56/112,643.50
  6. Step 6: Final answer
    x = 220,170.86

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.