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Finding the Third Proportional to 998,254,509.75 and 2,154,346,996.50

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Solution

The third proportional to 998,254,509.75 and 2,154,346,996.50 is: 4,649,326,335.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,254,509.75 : 2,154,346,996.50 = 2,154,346,996.50 : x
  2. Step 2: Convert to fraction form
    998,254,509.75/2,154,346,996.50 = 2,154,346,996.50/x
  3. Step 3: Cross multiply
    998,254,509.75x = 2,154,346,996.50 × 2,154,346,996.50
  4. Step 4: Simplify right side
    998,254,509.75x = 4,641,210,981,329,431,552
  5. Step 5: Solve for x
    x = 4,641,210,981,329,431,552/998,254,509.75
  6. Step 6: Final answer
    x = 4,649,326,335.12

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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.