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Finding the Third Proportional to 268,522,072 and 578,362,040

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Solution

The third proportional to 268,522,072 and 578,362,040 is: 1,245,717,518.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,522,072 : 578,362,040 = 578,362,040 : x
  2. Step 2: Convert to fraction form
    268,522,072/578,362,040 = 578,362,040/x
  3. Step 3: Cross multiply
    268,522,072x = 578,362,040 × 578,362,040
  4. Step 4: Simplify right side
    268,522,072x = 334,502,649,312,961,600
  5. Step 5: Solve for x
    x = 334,502,649,312,961,600/268,522,072
  6. Step 6: Final answer
    x = 1,245,717,518.94

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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.