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Finding the Third Proportional to 98,707.50 and 144,376.50

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Solution

The third proportional to 98,707.50 and 144,376.50 is: 211,175.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,707.50 : 144,376.50 = 144,376.50 : x
  2. Step 2: Convert to fraction form
    98,707.50/144,376.50 = 144,376.50/x
  3. Step 3: Cross multiply
    98,707.50x = 144,376.50 × 144,376.50
  4. Step 4: Simplify right side
    98,707.50x = 20,844,573,752.25
  5. Step 5: Solve for x
    x = 20,844,573,752.25/98,707.50
  6. Step 6: Final answer
    x = 211,175.18

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.