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Finding the Third Proportional to 17,990,778.38 and 38,854,069.88

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Solution

The third proportional to 17,990,778.38 and 38,854,069.88 is: 83,911,808.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,990,778.38 : 38,854,069.88 = 38,854,069.88 : x
  2. Step 2: Convert to fraction form
    17,990,778.38/38,854,069.88 = 38,854,069.88/x
  3. Step 3: Cross multiply
    17,990,778.38x = 38,854,069.88 × 38,854,069.88
  4. Step 4: Simplify right side
    17,990,778.38x = 1,509,638,745,851,382.50
  5. Step 5: Solve for x
    x = 1,509,638,745,851,382.50/17,990,778.38
  6. Step 6: Final answer
    x = 83,911,808.28

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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.