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Finding the Third Proportional to 8,682,498 and 12,772,242

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Solution

The third proportional to 8,682,498 and 12,772,242 is: 18,788,390.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682,498 : 12,772,242 = 12,772,242 : x
  2. Step 2: Convert to fraction form
    8,682,498/12,772,242 = 12,772,242/x
  3. Step 3: Cross multiply
    8,682,498x = 12,772,242 × 12,772,242
  4. Step 4: Simplify right side
    8,682,498x = 163,130,165,706,564
  5. Step 5: Solve for x
    x = 163,130,165,706,564/8,682,498
  6. Step 6: Final answer
    x = 18,788,390.82

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.