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Finding the Third Proportional to 198,270,458 and 429,480,052

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Solution

The third proportional to 198,270,458 and 429,480,052 is: 930,310,631.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,270,458 : 429,480,052 = 429,480,052 : x
  2. Step 2: Convert to fraction form
    198,270,458/429,480,052 = 429,480,052/x
  3. Step 3: Cross multiply
    198,270,458x = 429,480,052 × 429,480,052
  4. Step 4: Simplify right side
    198,270,458x = 184,453,115,065,922,688
  5. Step 5: Solve for x
    x = 184,453,115,065,922,688/198,270,458
  6. Step 6: Final answer
    x = 930,310,631.88

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.