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Finding the Third Proportional to 21,266,640 and 46,650,672

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Solution

The third proportional to 21,266,640 and 46,650,672 is: 102,333,288.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,266,640 : 46,650,672 = 46,650,672 : x
  2. Step 2: Convert to fraction form
    21,266,640/46,650,672 = 46,650,672/x
  3. Step 3: Cross multiply
    21,266,640x = 46,650,672 × 46,650,672
  4. Step 4: Simplify right side
    21,266,640x = 2,176,285,198,051,584
  5. Step 5: Solve for x
    x = 2,176,285,198,051,584/21,266,640
  6. Step 6: Final answer
    x = 102,333,288.10

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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.