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Finding the Third Proportional to 18,644,013,216 and 39,947,357,184

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Solution

The third proportional to 18,644,013,216 and 39,947,357,184 is: 85,592,695,494.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,644,013,216 : 39,947,357,184 = 39,947,357,184 : x
  2. Step 2: Convert to fraction form
    18,644,013,216/39,947,357,184 = 39,947,357,184/x
  3. Step 3: Cross multiply
    18,644,013,216x = 39,947,357,184 × 39,947,357,184
  4. Step 4: Simplify right side
    18,644,013,216x = 1,595,791,345,986,076,409,856
  5. Step 5: Solve for x
    x = 1,595,791,345,986,076,409,856/18,644,013,216
  6. Step 6: Final answer
    x = 85,592,695,494.15

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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.