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Finding the Third Proportional to 18,314,247,240 and 39,671,019,720

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Solution

The third proportional to 18,314,247,240 and 39,671,019,720 is: 85,932,541,206.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,314,247,240 : 39,671,019,720 = 39,671,019,720 : x
  2. Step 2: Convert to fraction form
    18,314,247,240/39,671,019,720 = 39,671,019,720/x
  3. Step 3: Cross multiply
    18,314,247,240x = 39,671,019,720 × 39,671,019,720
  4. Step 4: Simplify right side
    18,314,247,240x = 1,573,789,805,624,628,871,168
  5. Step 5: Solve for x
    x = 1,573,789,805,624,628,871,168/18,314,247,240
  6. Step 6: Final answer
    x = 85,932,541,206.90

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.