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Finding the Third Proportional to 13,316,640 and 28,731,072

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Solution

The third proportional to 13,316,640 and 28,731,072 is: 61,988,196.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316,640 : 28,731,072 = 28,731,072 : x
  2. Step 2: Convert to fraction form
    13,316,640/28,731,072 = 28,731,072/x
  3. Step 3: Cross multiply
    13,316,640x = 28,731,072 × 28,731,072
  4. Step 4: Simplify right side
    13,316,640x = 825,474,498,269,184
  5. Step 5: Solve for x
    x = 825,474,498,269,184/13,316,640
  6. Step 6: Final answer
    x = 61,988,196.59

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.