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Finding the Third Proportional to 19,280,189 and 40,158,346

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Solution

The third proportional to 19,280,189 and 40,158,346 is: 83,645,069.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280,189 : 40,158,346 = 40,158,346 : x
  2. Step 2: Convert to fraction form
    19,280,189/40,158,346 = 40,158,346/x
  3. Step 3: Cross multiply
    19,280,189x = 40,158,346 × 40,158,346
  4. Step 4: Simplify right side
    19,280,189x = 1,612,692,753,455,716
  5. Step 5: Solve for x
    x = 1,612,692,753,455,716/19,280,189
  6. Step 6: Final answer
    x = 83,645,069.74

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.