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Finding the Third Proportional to 18,837,545 and 40,686,562

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Solution

The third proportional to 18,837,545 and 40,686,562 is: 87,877,498.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837,545 : 40,686,562 = 40,686,562 : x
  2. Step 2: Convert to fraction form
    18,837,545/40,686,562 = 40,686,562/x
  3. Step 3: Cross multiply
    18,837,545x = 40,686,562 × 40,686,562
  4. Step 4: Simplify right side
    18,837,545x = 1,655,396,327,379,844
  5. Step 5: Solve for x
    x = 1,655,396,327,379,844/18,837,545
  6. Step 6: Final answer
    x = 87,877,498.23

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.