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Finding the Third Proportional to 45,345 and 97,989

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Solution

The third proportional to 45,345 and 97,989 is: 211,750.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,345 : 97,989 = 97,989 : x
  2. Step 2: Convert to fraction form
    45,345/97,989 = 97,989/x
  3. Step 3: Cross multiply
    45,345x = 97,989 × 97,989
  4. Step 4: Simplify right side
    45,345x = 9,601,844,121
  5. Step 5: Solve for x
    x = 9,601,844,121/45,345
  6. Step 6: Final answer
    x = 211,750.89

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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.