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Finding the Third Proportional to 66,516 and 97,290

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Solution

The third proportional to 66,516 and 97,290 is: 142,301.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,516 : 97,290 = 97,290 : x
  2. Step 2: Convert to fraction form
    66,516/97,290 = 97,290/x
  3. Step 3: Cross multiply
    66,516x = 97,290 × 97,290
  4. Step 4: Simplify right side
    66,516x = 9,465,344,100
  5. Step 5: Solve for x
    x = 9,465,344,100/66,516
  6. Step 6: Final answer
    x = 142,301.76

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.