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Finding the Third Proportional to 121,226,778 and 265,923,684

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Solution

The third proportional to 121,226,778 and 265,923,684 is: 583,331,561.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,226,778 : 265,923,684 = 265,923,684 : x
  2. Step 2: Convert to fraction form
    121,226,778/265,923,684 = 265,923,684/x
  3. Step 3: Cross multiply
    121,226,778x = 265,923,684 × 265,923,684
  4. Step 4: Simplify right side
    121,226,778x = 70,715,405,712,131,856
  5. Step 5: Solve for x
    x = 70,715,405,712,131,856/121,226,778
  6. Step 6: Final answer
    x = 583,331,561.55

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.