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Finding the Third Proportional to 100,308,602 and 220,344,988

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Solution

The third proportional to 100,308,602 and 220,344,988 is: 484,025,425.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,308,602 : 220,344,988 = 220,344,988 : x
  2. Step 2: Convert to fraction form
    100,308,602/220,344,988 = 220,344,988/x
  3. Step 3: Cross multiply
    100,308,602x = 220,344,988 × 220,344,988
  4. Step 4: Simplify right side
    100,308,602x = 48,551,913,736,720,144
  5. Step 5: Solve for x
    x = 48,551,913,736,720,144/100,308,602
  6. Step 6: Final answer
    x = 484,025,425.22

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.