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Finding the Third Proportional to 140,373,632 and 218,215,454

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Solution

The third proportional to 140,373,632 and 218,215,454 is: 339,223,141.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,373,632 : 218,215,454 = 218,215,454 : x
  2. Step 2: Convert to fraction form
    140,373,632/218,215,454 = 218,215,454/x
  3. Step 3: Cross multiply
    140,373,632x = 218,215,454 × 218,215,454
  4. Step 4: Simplify right side
    140,373,632x = 47,617,984,364,426,112
  5. Step 5: Solve for x
    x = 47,617,984,364,426,112/140,373,632
  6. Step 6: Final answer
    x = 339,223,141.03

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.