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Finding the Third Proportional to 158,286,707.50 and 343,821,579.50

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Solution

The third proportional to 158,286,707.50 and 343,821,579.50 is: 746,830,105.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,286,707.50 : 343,821,579.50 = 343,821,579.50 : x
  2. Step 2: Convert to fraction form
    158,286,707.50/343,821,579.50 = 343,821,579.50/x
  3. Step 3: Cross multiply
    158,286,707.50x = 343,821,579.50 × 343,821,579.50
  4. Step 4: Simplify right side
    158,286,707.50x = 118,213,278,529,874,816
  5. Step 5: Solve for x
    x = 118,213,278,529,874,816/158,286,707.50
  6. Step 6: Final answer
    x = 746,830,105.93

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.