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Finding the Third Proportional to 49,992,628 and 77,911,782

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Solution

The third proportional to 49,992,628 and 77,911,782 is: 121,422,818.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,992,628 : 77,911,782 = 77,911,782 : x
  2. Step 2: Convert to fraction form
    49,992,628/77,911,782 = 77,911,782/x
  3. Step 3: Cross multiply
    49,992,628x = 77,911,782 × 77,911,782
  4. Step 4: Simplify right side
    49,992,628x = 6,070,245,774,415,524
  5. Step 5: Solve for x
    x = 6,070,245,774,415,524/49,992,628
  6. Step 6: Final answer
    x = 121,422,818.07

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.