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Finding the Third Proportional to 135,054,619 and 290,584,480

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Solution

The third proportional to 135,054,619 and 290,584,480 is: 625,223,636.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,054,619 : 290,584,480 = 290,584,480 : x
  2. Step 2: Convert to fraction form
    135,054,619/290,584,480 = 290,584,480/x
  3. Step 3: Cross multiply
    135,054,619x = 290,584,480 × 290,584,480
  4. Step 4: Simplify right side
    135,054,619x = 84,439,340,016,870,400
  5. Step 5: Solve for x
    x = 84,439,340,016,870,400/135,054,619
  6. Step 6: Final answer
    x = 625,223,636.50

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.