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Finding the Third Proportional to 18,585,072 and 39,860,514

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Solution

The third proportional to 18,585,072 and 39,860,514 is: 85,491,225.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585,072 : 39,860,514 = 39,860,514 : x
  2. Step 2: Convert to fraction form
    18,585,072/39,860,514 = 39,860,514/x
  3. Step 3: Cross multiply
    18,585,072x = 39,860,514 × 39,860,514
  4. Step 4: Simplify right side
    18,585,072x = 1,588,860,576,344,196
  5. Step 5: Solve for x
    x = 1,588,860,576,344,196/18,585,072
  6. Step 6: Final answer
    x = 85,491,225.23

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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.