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Finding the Third Proportional to 98,870.63 and 153,221.63

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Solution

The third proportional to 98,870.63 and 153,221.63 is: 237,450.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,870.63 : 153,221.63 = 153,221.63 : x
  2. Step 2: Convert to fraction form
    98,870.63/153,221.63 = 153,221.63/x
  3. Step 3: Cross multiply
    98,870.63x = 153,221.63 × 153,221.63
  4. Step 4: Simplify right side
    98,870.63x = 23,476,866,367.64
  5. Step 5: Solve for x
    x = 23,476,866,367.64/98,870.63
  6. Step 6: Final answer
    x = 237,450.37

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.