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Finding the Third Proportional to 38,809,316 and 78,759,052

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Solution

The third proportional to 38,809,316 and 78,759,052 is: 159,832,455.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,809,316 : 78,759,052 = 78,759,052 : x
  2. Step 2: Convert to fraction form
    38,809,316/78,759,052 = 78,759,052/x
  3. Step 3: Cross multiply
    38,809,316x = 78,759,052 × 78,759,052
  4. Step 4: Simplify right side
    38,809,316x = 6,202,988,271,938,704
  5. Step 5: Solve for x
    x = 6,202,988,271,938,704/38,809,316
  6. Step 6: Final answer
    x = 159,832,455.48

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.