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Finding the Third Proportional to 39,888,392.63 and 87,343,592.63

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Solution

The third proportional to 39,888,392.63 and 87,343,592.63 is: 191,256,219.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,888,392.63 : 87,343,592.63 = 87,343,592.63 : x
  2. Step 2: Convert to fraction form
    39,888,392.63/87,343,592.63 = 87,343,592.63/x
  3. Step 3: Cross multiply
    39,888,392.63x = 87,343,592.63 × 87,343,592.63
  4. Step 4: Simplify right side
    39,888,392.63x = 7,628,903,172,641,954
  5. Step 5: Solve for x
    x = 7,628,903,172,641,954/39,888,392.63
  6. Step 6: Final answer
    x = 191,256,219.43

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.