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Finding the Third Proportional to 207,989,088 and 450,690,240

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Solution

The third proportional to 207,989,088 and 450,690,240 is: 976,597,832.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,989,088 : 450,690,240 = 450,690,240 : x
  2. Step 2: Convert to fraction form
    207,989,088/450,690,240 = 450,690,240/x
  3. Step 3: Cross multiply
    207,989,088x = 450,690,240 × 450,690,240
  4. Step 4: Simplify right side
    207,989,088x = 203,121,692,431,257,600
  5. Step 5: Solve for x
    x = 203,121,692,431,257,600/207,989,088
  6. Step 6: Final answer
    x = 976,597,832.05

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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.