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Finding the Third Proportional to 121,827,788.88 and 265,980,245.25

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Solution

The third proportional to 121,827,788.88 and 265,980,245.25 is: 580,700,770.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,827,788.88 : 265,980,245.25 = 265,980,245.25 : x
  2. Step 2: Convert to fraction form
    121,827,788.88/265,980,245.25 = 265,980,245.25/x
  3. Step 3: Cross multiply
    121,827,788.88x = 265,980,245.25 × 265,980,245.25
  4. Step 4: Simplify right side
    121,827,788.88x = 70,745,490,863,250,144
  5. Step 5: Solve for x
    x = 70,745,490,863,250,144/121,827,788.88
  6. Step 6: Final answer
    x = 580,700,770.46

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.