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Finding the Third Proportional to 12,842,424 and 18,837,894

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Solution

The third proportional to 12,842,424 and 18,837,894 is: 27,632,341.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,842,424 : 18,837,894 = 18,837,894 : x
  2. Step 2: Convert to fraction form
    12,842,424/18,837,894 = 18,837,894/x
  3. Step 3: Cross multiply
    12,842,424x = 18,837,894 × 18,837,894
  4. Step 4: Simplify right side
    12,842,424x = 354,866,250,355,236
  5. Step 5: Solve for x
    x = 354,866,250,355,236/12,842,424
  6. Step 6: Final answer
    x = 27,632,341.87

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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.