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Finding the Third Proportional to 90,257,373 and 194,878,962

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Solution

The third proportional to 90,257,373 and 194,878,962 is: 420,772,382.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,257,373 : 194,878,962 = 194,878,962 : x
  2. Step 2: Convert to fraction form
    90,257,373/194,878,962 = 194,878,962/x
  3. Step 3: Cross multiply
    90,257,373x = 194,878,962 × 194,878,962
  4. Step 4: Simplify right side
    90,257,373x = 37,977,809,830,197,440
  5. Step 5: Solve for x
    x = 37,977,809,830,197,440/90,257,373
  6. Step 6: Final answer
    x = 420,772,382.00

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.