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Finding the Third Proportional to 8,651,430 and 18,670,741

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Solution

The third proportional to 8,651,430 and 18,670,741 is: 40,293,520.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,651,430 : 18,670,741 = 18,670,741 : x
  2. Step 2: Convert to fraction form
    8,651,430/18,670,741 = 18,670,741/x
  3. Step 3: Cross multiply
    8,651,430x = 18,670,741 × 18,670,741
  4. Step 4: Simplify right side
    8,651,430x = 348,596,569,489,081
  5. Step 5: Solve for x
    x = 348,596,569,489,081/8,651,430
  6. Step 6: Final answer
    x = 40,293,520.20

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.