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Finding the Third Proportional to 59,581,672 and 128,293,329

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Solution

The third proportional to 59,581,672 and 128,293,329 is: 276,245,659.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,581,672 : 128,293,329 = 128,293,329 : x
  2. Step 2: Convert to fraction form
    59,581,672/128,293,329 = 128,293,329/x
  3. Step 3: Cross multiply
    59,581,672x = 128,293,329 × 128,293,329
  4. Step 4: Simplify right side
    59,581,672x = 16,459,178,265,902,240
  5. Step 5: Solve for x
    x = 16,459,178,265,902,240/59,581,672
  6. Step 6: Final answer
    x = 276,245,659.33

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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.