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Finding the Third Proportional to 45,117 and 97,455

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Solution

The third proportional to 45,117 and 97,455 is: 210,507.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,117 : 97,455 = 97,455 : x
  2. Step 2: Convert to fraction form
    45,117/97,455 = 97,455/x
  3. Step 3: Cross multiply
    45,117x = 97,455 × 97,455
  4. Step 4: Simplify right side
    45,117x = 9,497,477,025
  5. Step 5: Solve for x
    x = 9,497,477,025/45,117
  6. Step 6: Final answer
    x = 210,507.72

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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.