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Finding the Third Proportional to 8,309,307 and 12,988,841

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Solution

The third proportional to 8,309,307 and 12,988,841 is: 20,303,737.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,307 : 12,988,841 = 12,988,841 : x
  2. Step 2: Convert to fraction form
    8,309,307/12,988,841 = 12,988,841/x
  3. Step 3: Cross multiply
    8,309,307x = 12,988,841 × 12,988,841
  4. Step 4: Simplify right side
    8,309,307x = 168,709,990,523,281
  5. Step 5: Solve for x
    x = 168,709,990,523,281/8,309,307
  6. Step 6: Final answer
    x = 20,303,737.79

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.