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Finding the Third Proportional to 816,091,903.69 and 1,770,740,438.06

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Solution

The third proportional to 816,091,903.69 and 1,770,740,438.06 is: 3,842,118,375.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,091,903.69 : 1,770,740,438.06 = 1,770,740,438.06 : x
  2. Step 2: Convert to fraction form
    816,091,903.69/1,770,740,438.06 = 1,770,740,438.06/x
  3. Step 3: Cross multiply
    816,091,903.69x = 1,770,740,438.06 × 1,770,740,438.06
  4. Step 4: Simplify right side
    816,091,903.69x = 3,135,521,698,989,774,336
  5. Step 5: Solve for x
    x = 3,135,521,698,989,774,336/816,091,903.69
  6. Step 6: Final answer
    x = 3,842,118,375.18

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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.