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Finding the Third Proportional to 19,280,187 and 40,158,342

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Solution

The third proportional to 19,280,187 and 40,158,342 is: 83,645,061.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280,187 : 40,158,342 = 40,158,342 : x
  2. Step 2: Convert to fraction form
    19,280,187/40,158,342 = 40,158,342/x
  3. Step 3: Cross multiply
    19,280,187x = 40,158,342 × 40,158,342
  4. Step 4: Simplify right side
    19,280,187x = 1,612,692,432,188,964
  5. Step 5: Solve for x
    x = 1,612,692,432,188,964/19,280,187
  6. Step 6: Final answer
    x = 83,645,061.75

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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.