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Finding the Third Proportional to 190,339,550 and 416,948,308

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Solution

The third proportional to 190,339,550 and 416,948,308 is: 913,346,130.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,339,550 : 416,948,308 = 416,948,308 : x
  2. Step 2: Convert to fraction form
    190,339,550/416,948,308 = 416,948,308/x
  3. Step 3: Cross multiply
    190,339,550x = 416,948,308 × 416,948,308
  4. Step 4: Simplify right side
    190,339,550x = 173,845,891,544,062,848
  5. Step 5: Solve for x
    x = 173,845,891,544,062,848/190,339,550
  6. Step 6: Final answer
    x = 913,346,130.87

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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.