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Finding the Third Proportional to 18,837,541 and 40,686,554

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Solution

The third proportional to 18,837,541 and 40,686,554 is: 87,877,482.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837,541 : 40,686,554 = 40,686,554 : x
  2. Step 2: Convert to fraction form
    18,837,541/40,686,554 = 40,686,554/x
  3. Step 3: Cross multiply
    18,837,541x = 40,686,554 × 40,686,554
  4. Step 4: Simplify right side
    18,837,541x = 1,655,395,676,394,916
  5. Step 5: Solve for x
    x = 1,655,395,676,394,916/18,837,541
  6. Step 6: Final answer
    x = 87,877,482.33

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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.