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Finding the Third Proportional to 911,336,122 and 1,988,258,357

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Solution

The third proportional to 911,336,122 and 1,988,258,357 is: 4,337,775,271.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,336,122 : 1,988,258,357 = 1,988,258,357 : x
  2. Step 2: Convert to fraction form
    911,336,122/1,988,258,357 = 1,988,258,357/x
  3. Step 3: Cross multiply
    911,336,122x = 1,988,258,357 × 1,988,258,357
  4. Step 4: Simplify right side
    911,336,122x = 3,953,171,294,180,339,200
  5. Step 5: Solve for x
    x = 3,953,171,294,180,339,200/911,336,122
  6. Step 6: Final answer
    x = 4,337,775,271.66

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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.