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Finding the Third Proportional to 26,990,220 and 58,772,400

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Solution

The third proportional to 26,990,220 and 58,772,400 is: 127,979,505.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,990,220 : 58,772,400 = 58,772,400 : x
  2. Step 2: Convert to fraction form
    26,990,220/58,772,400 = 58,772,400/x
  3. Step 3: Cross multiply
    26,990,220x = 58,772,400 × 58,772,400
  4. Step 4: Simplify right side
    26,990,220x = 3,454,195,001,760,000
  5. Step 5: Solve for x
    x = 3,454,195,001,760,000/26,990,220
  6. Step 6: Final answer
    x = 127,979,505.23

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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.