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Finding the Third Proportional to 121,166,044 and 260,807,864

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Solution

The third proportional to 121,166,044 and 260,807,864 is: 561,384,523.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,166,044 : 260,807,864 = 260,807,864 : x
  2. Step 2: Convert to fraction form
    121,166,044/260,807,864 = 260,807,864/x
  3. Step 3: Cross multiply
    121,166,044x = 260,807,864 × 260,807,864
  4. Step 4: Simplify right side
    121,166,044x = 68,020,741,924,242,496
  5. Step 5: Solve for x
    x = 68,020,741,924,242,496/121,166,044
  6. Step 6: Final answer
    x = 561,384,523.90

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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.