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Finding the Third Proportional to 706,247,928 and 1,520,447,521.50

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Solution

The third proportional to 706,247,928 and 1,520,447,521.50 is: 3,273,299,041.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,247,928 : 1,520,447,521.50 = 1,520,447,521.50 : x
  2. Step 2: Convert to fraction form
    706,247,928/1,520,447,521.50 = 1,520,447,521.50/x
  3. Step 3: Cross multiply
    706,247,928x = 1,520,447,521.50 × 1,520,447,521.50
  4. Step 4: Simplify right side
    706,247,928x = 2,311,760,665,635,492,864
  5. Step 5: Solve for x
    x = 2,311,760,665,635,492,864/706,247,928
  6. Step 6: Final answer
    x = 3,273,299,041.29

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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.