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Finding the Third Proportional to 18,866,196 and 29,921,886

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Solution

The third proportional to 18,866,196 and 29,921,886 is: 47,456,268.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,866,196 : 29,921,886 = 29,921,886 : x
  2. Step 2: Convert to fraction form
    18,866,196/29,921,886 = 29,921,886/x
  3. Step 3: Cross multiply
    18,866,196x = 29,921,886 × 29,921,886
  4. Step 4: Simplify right side
    18,866,196x = 895,319,261,796,996
  5. Step 5: Solve for x
    x = 895,319,261,796,996/18,866,196
  6. Step 6: Final answer
    x = 47,456,268.44

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.