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Finding the Third Proportional to 218,179,044 and 484,787,988

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Solution

The third proportional to 218,179,044 and 484,787,988 is: 1,077,185,915.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,179,044 : 484,787,988 = 484,787,988 : x
  2. Step 2: Convert to fraction form
    218,179,044/484,787,988 = 484,787,988/x
  3. Step 3: Cross multiply
    218,179,044x = 484,787,988 × 484,787,988
  4. Step 4: Simplify right side
    218,179,044x = 235,019,393,309,088,128
  5. Step 5: Solve for x
    x = 235,019,393,309,088,128/218,179,044
  6. Step 6: Final answer
    x = 1,077,185,915.75

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.