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Finding the Third Proportional to 66,965.25 and 101,312.25

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Solution

The third proportional to 66,965.25 and 101,312.25 is: 153,276.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,965.25 : 101,312.25 = 101,312.25 : x
  2. Step 2: Convert to fraction form
    66,965.25/101,312.25 = 101,312.25/x
  3. Step 3: Cross multiply
    66,965.25x = 101,312.25 × 101,312.25
  4. Step 4: Simplify right side
    66,965.25x = 10,264,172,000.06
  5. Step 5: Solve for x
    x = 10,264,172,000.06/66,965.25
  6. Step 6: Final answer
    x = 153,276.09

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.