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Finding the Third Proportional to 26,986,668 and 42,920,202

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Solution

The third proportional to 26,986,668 and 42,920,202 is: 68,261,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,986,668 : 42,920,202 = 42,920,202 : x
  2. Step 2: Convert to fraction form
    26,986,668/42,920,202 = 42,920,202/x
  3. Step 3: Cross multiply
    26,986,668x = 42,920,202 × 42,920,202
  4. Step 4: Simplify right side
    26,986,668x = 1,842,143,739,720,804
  5. Step 5: Solve for x
    x = 1,842,143,739,720,804/26,986,668
  6. Step 6: Final answer
    x = 68,261,251.80

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.