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Finding the Third Proportional to 124,767,156 and 278,222,208

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Solution

The third proportional to 124,767,156 and 278,222,208 is: 620,416,458.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,767,156 : 278,222,208 = 278,222,208 : x
  2. Step 2: Convert to fraction form
    124,767,156/278,222,208 = 278,222,208/x
  3. Step 3: Cross multiply
    124,767,156x = 278,222,208 × 278,222,208
  4. Step 4: Simplify right side
    124,767,156x = 77,407,597,024,395,264
  5. Step 5: Solve for x
    x = 77,407,597,024,395,264/124,767,156
  6. Step 6: Final answer
    x = 620,416,458.19

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.