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Finding the Third Proportional to 8,653,608 and 18,465,460

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Solution

The third proportional to 8,653,608 and 18,465,460 is: 39,402,433.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,653,608 : 18,465,460 = 18,465,460 : x
  2. Step 2: Convert to fraction form
    8,653,608/18,465,460 = 18,465,460/x
  3. Step 3: Cross multiply
    8,653,608x = 18,465,460 × 18,465,460
  4. Step 4: Simplify right side
    8,653,608x = 340,973,213,011,600
  5. Step 5: Solve for x
    x = 340,973,213,011,600/8,653,608
  6. Step 6: Final answer
    x = 39,402,433.41

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.