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Finding the Third Proportional to 38,621,967.50 and 54,128,588.50

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Solution

The third proportional to 38,621,967.50 and 54,128,588.50 is: 75,861,078.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,621,967.50 : 54,128,588.50 = 54,128,588.50 : x
  2. Step 2: Convert to fraction form
    38,621,967.50/54,128,588.50 = 54,128,588.50/x
  3. Step 3: Cross multiply
    38,621,967.50x = 54,128,588.50 × 54,128,588.50
  4. Step 4: Simplify right side
    38,621,967.50x = 2,929,904,093,002,332
  5. Step 5: Solve for x
    x = 2,929,904,093,002,332/38,621,967.50
  6. Step 6: Final answer
    x = 75,861,078.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.