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Finding the Third Proportional to 8,537,228 and 18,634,638

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Solution

The third proportional to 8,537,228 and 18,634,638 is: 40,674,763.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,537,228 : 18,634,638 = 18,634,638 : x
  2. Step 2: Convert to fraction form
    8,537,228/18,634,638 = 18,634,638/x
  3. Step 3: Cross multiply
    8,537,228x = 18,634,638 × 18,634,638
  4. Step 4: Simplify right side
    8,537,228x = 347,249,733,391,044
  5. Step 5: Solve for x
    x = 347,249,733,391,044/8,537,228
  6. Step 6: Final answer
    x = 40,674,763.92

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.