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Finding the Third Proportional to 40,578,756 and 82,574,660

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Solution

The third proportional to 40,578,756 and 82,574,660 is: 168,033,107.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,578,756 : 82,574,660 = 82,574,660 : x
  2. Step 2: Convert to fraction form
    40,578,756/82,574,660 = 82,574,660/x
  3. Step 3: Cross multiply
    40,578,756x = 82,574,660 × 82,574,660
  4. Step 4: Simplify right side
    40,578,756x = 6,818,574,474,115,600
  5. Step 5: Solve for x
    x = 6,818,574,474,115,600/40,578,756
  6. Step 6: Final answer
    x = 168,033,107.62

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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.