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Finding the Third Proportional to 8,135,680.50 and 12,308,490

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Solution

The third proportional to 8,135,680.50 and 12,308,490 is: 18,621,543.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,135,680.50 : 12,308,490 = 12,308,490 : x
  2. Step 2: Convert to fraction form
    8,135,680.50/12,308,490 = 12,308,490/x
  3. Step 3: Cross multiply
    8,135,680.50x = 12,308,490 × 12,308,490
  4. Step 4: Simplify right side
    8,135,680.50x = 151,498,926,080,100
  5. Step 5: Solve for x
    x = 151,498,926,080,100/8,135,680.50
  6. Step 6: Final answer
    x = 18,621,543.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.