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Finding the Third Proportional to 21,270,072 and 46,389,804

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Solution

The third proportional to 21,270,072 and 46,389,804 is: 101,175,676.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,270,072 : 46,389,804 = 46,389,804 : x
  2. Step 2: Convert to fraction form
    21,270,072/46,389,804 = 46,389,804/x
  3. Step 3: Cross multiply
    21,270,072x = 46,389,804 × 46,389,804
  4. Step 4: Simplify right side
    21,270,072x = 2,152,013,915,158,416
  5. Step 5: Solve for x
    x = 2,152,013,915,158,416/21,270,072
  6. Step 6: Final answer
    x = 101,175,676.09

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.