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Finding the Third Proportional to 121,044,186 and 259,721,880

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Solution

The third proportional to 121,044,186 and 259,721,880 is: 557,279,595.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,044,186 : 259,721,880 = 259,721,880 : x
  2. Step 2: Convert to fraction form
    121,044,186/259,721,880 = 259,721,880/x
  3. Step 3: Cross multiply
    121,044,186x = 259,721,880 × 259,721,880
  4. Step 4: Simplify right side
    121,044,186x = 67,455,454,950,734,400
  5. Step 5: Solve for x
    x = 67,455,454,950,734,400/121,044,186
  6. Step 6: Final answer
    x = 557,279,595.00

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.