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Finding the Third Proportional to 8,603,388 and 13,205,862

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Solution

The third proportional to 8,603,388 and 13,205,862 is: 20,270,478.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603,388 : 13,205,862 = 13,205,862 : x
  2. Step 2: Convert to fraction form
    8,603,388/13,205,862 = 13,205,862/x
  3. Step 3: Cross multiply
    8,603,388x = 13,205,862 × 13,205,862
  4. Step 4: Simplify right side
    8,603,388x = 174,394,791,163,044
  5. Step 5: Solve for x
    x = 174,394,791,163,044/8,603,388
  6. Step 6: Final answer
    x = 20,270,478.46

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.