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Finding the Third Proportional to 1,220,162,914 and 1,718,258,257.75

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Solution

The third proportional to 1,220,162,914 and 1,718,258,257.75 is: 2,419,686,261.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,162,914 : 1,718,258,257.75 = 1,718,258,257.75 : x
  2. Step 2: Convert to fraction form
    1,220,162,914/1,718,258,257.75 = 1,718,258,257.75/x
  3. Step 3: Cross multiply
    1,220,162,914x = 1,718,258,257.75 × 1,718,258,257.75
  4. Step 4: Simplify right side
    1,220,162,914x = 2,952,411,440,326,065,664
  5. Step 5: Solve for x
    x = 2,952,411,440,326,065,664/1,220,162,914
  6. Step 6: Final answer
    x = 2,419,686,261.93

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.