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Finding the Third Proportional to 59,917,623.75 and 129,091,208.63

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Solution

The third proportional to 59,917,623.75 and 129,091,208.63 is: 278,124,182.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,917,623.75 : 129,091,208.63 = 129,091,208.63 : x
  2. Step 2: Convert to fraction form
    59,917,623.75/129,091,208.63 = 129,091,208.63/x
  3. Step 3: Cross multiply
    59,917,623.75x = 129,091,208.63 × 129,091,208.63
  4. Step 4: Simplify right side
    59,917,623.75x = 16,664,540,144,263,274
  5. Step 5: Solve for x
    x = 16,664,540,144,263,274/59,917,623.75
  6. Step 6: Final answer
    x = 278,124,182.86

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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.