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Finding the Third Proportional to 38,352,280 and 82,396,574

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Solution

The third proportional to 38,352,280 and 82,396,574 is: 177,021,950.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,352,280 : 82,396,574 = 82,396,574 : x
  2. Step 2: Convert to fraction form
    38,352,280/82,396,574 = 82,396,574/x
  3. Step 3: Cross multiply
    38,352,280x = 82,396,574 × 82,396,574
  4. Step 4: Simplify right side
    38,352,280x = 6,789,195,406,937,476
  5. Step 5: Solve for x
    x = 6,789,195,406,937,476/38,352,280
  6. Step 6: Final answer
    x = 177,021,950.38

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.