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Finding the Third Proportional to 15,972,131 and 26,078,291

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Solution

The third proportional to 15,972,131 and 26,078,291 is: 42,578,993.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,972,131 : 26,078,291 = 26,078,291 : x
  2. Step 2: Convert to fraction form
    15,972,131/26,078,291 = 26,078,291/x
  3. Step 3: Cross multiply
    15,972,131x = 26,078,291 × 26,078,291
  4. Step 4: Simplify right side
    15,972,131x = 680,077,261,480,681
  5. Step 5: Solve for x
    x = 680,077,261,480,681/15,972,131
  6. Step 6: Final answer
    x = 42,578,993.47

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.