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Finding the Third Proportional to 15,690,590 and 36,640,203

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Solution

The third proportional to 15,690,590 and 36,640,203 is: 85,561,121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,690,590 : 36,640,203 = 36,640,203 : x
  2. Step 2: Convert to fraction form
    15,690,590/36,640,203 = 36,640,203/x
  3. Step 3: Cross multiply
    15,690,590x = 36,640,203 × 36,640,203
  4. Step 4: Simplify right side
    15,690,590x = 1,342,504,475,881,209
  5. Step 5: Solve for x
    x = 1,342,504,475,881,209/15,690,590
  6. Step 6: Final answer
    x = 85,561,121.40

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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.