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Finding the Third Proportional to 21,091,858 and 46,235,988

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Solution

The third proportional to 21,091,858 and 46,235,988 is: 101,355,062.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,091,858 : 46,235,988 = 46,235,988 : x
  2. Step 2: Convert to fraction form
    21,091,858/46,235,988 = 46,235,988/x
  3. Step 3: Cross multiply
    21,091,858x = 46,235,988 × 46,235,988
  4. Step 4: Simplify right side
    21,091,858x = 2,137,766,586,336,144
  5. Step 5: Solve for x
    x = 2,137,766,586,336,144/21,091,858
  6. Step 6: Final answer
    x = 101,355,062.52

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.