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Finding the Third Proportional to 8,379,680 and 17,999,470

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Solution

The third proportional to 8,379,680 and 17,999,470 is: 38,662,684.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,379,680 : 17,999,470 = 17,999,470 : x
  2. Step 2: Convert to fraction form
    8,379,680/17,999,470 = 17,999,470/x
  3. Step 3: Cross multiply
    8,379,680x = 17,999,470 × 17,999,470
  4. Step 4: Simplify right side
    8,379,680x = 323,980,920,280,900
  5. Step 5: Solve for x
    x = 323,980,920,280,900/8,379,680
  6. Step 6: Final answer
    x = 38,662,684.05

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.