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Finding the Third Proportional to 18,286,955 and 39,726,352

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Solution

The third proportional to 18,286,955 and 39,726,352 is: 86,301,029.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286,955 : 39,726,352 = 39,726,352 : x
  2. Step 2: Convert to fraction form
    18,286,955/39,726,352 = 39,726,352/x
  3. Step 3: Cross multiply
    18,286,955x = 39,726,352 × 39,726,352
  4. Step 4: Simplify right side
    18,286,955x = 1,578,183,043,227,904
  5. Step 5: Solve for x
    x = 1,578,183,043,227,904/18,286,955
  6. Step 6: Final answer
    x = 86,301,029.52

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.