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Finding the Third Proportional to 7,653,786,429 and 11,980,266,186.94

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Solution

The third proportional to 7,653,786,429 and 11,980,266,186.94 is: 18,752,388,669.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653,786,429 : 11,980,266,186.94 = 11,980,266,186.94 : x
  2. Step 2: Convert to fraction form
    7,653,786,429/11,980,266,186.94 = 11,980,266,186.94/x
  3. Step 3: Cross multiply
    7,653,786,429x = 11,980,266,186.94 × 11,980,266,186.94
  4. Step 4: Simplify right side
    7,653,786,429x = 143,526,777,909,889,957,888
  5. Step 5: Solve for x
    x = 143,526,777,909,889,957,888/7,653,786,429
  6. Step 6: Final answer
    x = 18,752,388,669.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.