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Finding the Third Proportional to 8,777,826 and 18,772,437

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Solution

The third proportional to 8,777,826 and 18,772,437 is: 40,147,115.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777,826 : 18,772,437 = 18,772,437 : x
  2. Step 2: Convert to fraction form
    8,777,826/18,772,437 = 18,772,437/x
  3. Step 3: Cross multiply
    8,777,826x = 18,772,437 × 18,772,437
  4. Step 4: Simplify right side
    8,777,826x = 352,404,390,918,969
  5. Step 5: Solve for x
    x = 352,404,390,918,969/8,777,826
  6. Step 6: Final answer
    x = 40,147,115.12

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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.