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Finding the Third Proportional to 15,690,576 and 36,640,168

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Solution

The third proportional to 15,690,576 and 36,640,168 is: 85,561,034.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,690,576 : 36,640,168 = 36,640,168 : x
  2. Step 2: Convert to fraction form
    15,690,576/36,640,168 = 36,640,168/x
  3. Step 3: Cross multiply
    15,690,576x = 36,640,168 × 36,640,168
  4. Step 4: Simplify right side
    15,690,576x = 1,342,501,911,068,224
  5. Step 5: Solve for x
    x = 1,342,501,911,068,224/15,690,576
  6. Step 6: Final answer
    x = 85,561,034.28

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.