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Finding the Third Proportional to 66,118,321.50 and 154,397,104.50

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Solution

The third proportional to 66,118,321.50 and 154,397,104.50 is: 360,542,514.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,118,321.50 : 154,397,104.50 = 154,397,104.50 : x
  2. Step 2: Convert to fraction form
    66,118,321.50/154,397,104.50 = 154,397,104.50/x
  3. Step 3: Cross multiply
    66,118,321.50x = 154,397,104.50 × 154,397,104.50
  4. Step 4: Simplify right side
    66,118,321.50x = 23,838,465,877,983,920
  5. Step 5: Solve for x
    x = 23,838,465,877,983,920/66,118,321.50
  6. Step 6: Final answer
    x = 360,542,514.35

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.