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Finding the Third Proportional to 18,644,013,342 and 39,947,357,449.50

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Solution

The third proportional to 18,644,013,342 and 39,947,357,449.50 is: 85,592,696,053.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,644,013,342 : 39,947,357,449.50 = 39,947,357,449.50 : x
  2. Step 2: Convert to fraction form
    18,644,013,342/39,947,357,449.50 = 39,947,357,449.50/x
  3. Step 3: Cross multiply
    18,644,013,342x = 39,947,357,449.50 × 39,947,357,449.50
  4. Step 4: Simplify right side
    18,644,013,342x = 1,595,791,367,198,123,229,184
  5. Step 5: Solve for x
    x = 1,595,791,367,198,123,229,184/18,644,013,342
  6. Step 6: Final answer
    x = 85,592,696,053.44

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.