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Finding the Third Proportional to 19,009,342 and 39,026,436

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Solution

The third proportional to 19,009,342 and 39,026,436 is: 80,121,800.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009,342 : 39,026,436 = 39,026,436 : x
  2. Step 2: Convert to fraction form
    19,009,342/39,026,436 = 39,026,436/x
  3. Step 3: Cross multiply
    19,009,342x = 39,026,436 × 39,026,436
  4. Step 4: Simplify right side
    19,009,342x = 1,523,062,706,862,096
  5. Step 5: Solve for x
    x = 1,523,062,706,862,096/19,009,342
  6. Step 6: Final answer
    x = 80,121,800.47

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.