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Finding the Third Proportional to 969,173,618 and 2,115,966,628

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Solution

The third proportional to 969,173,618 and 2,115,966,628 is: 4,619,724,152.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,173,618 : 2,115,966,628 = 2,115,966,628 : x
  2. Step 2: Convert to fraction form
    969,173,618/2,115,966,628 = 2,115,966,628/x
  3. Step 3: Cross multiply
    969,173,618x = 2,115,966,628 × 2,115,966,628
  4. Step 4: Simplify right side
    969,173,618x = 4,477,314,770,809,690,624
  5. Step 5: Solve for x
    x = 4,477,314,770,809,690,624/969,173,618
  6. Step 6: Final answer
    x = 4,619,724,152.26

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.