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Finding the Third Proportional to 73,172,891 and 158,402,704

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Solution

The third proportional to 73,172,891 and 158,402,704 is: 342,905,908.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,172,891 : 158,402,704 = 158,402,704 : x
  2. Step 2: Convert to fraction form
    73,172,891/158,402,704 = 158,402,704/x
  3. Step 3: Cross multiply
    73,172,891x = 158,402,704 × 158,402,704
  4. Step 4: Simplify right side
    73,172,891x = 25,091,416,634,511,616
  5. Step 5: Solve for x
    x = 25,091,416,634,511,616/73,172,891
  6. Step 6: Final answer
    x = 342,905,908.07

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.