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Finding the Third Proportional to 44,278 and 66,465

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Solution

The third proportional to 44,278 and 66,465 is: 99,769.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,278 : 66,465 = 66,465 : x
  2. Step 2: Convert to fraction form
    44,278/66,465 = 66,465/x
  3. Step 3: Cross multiply
    44,278x = 66,465 × 66,465
  4. Step 4: Simplify right side
    44,278x = 4,417,596,225
  5. Step 5: Solve for x
    x = 4,417,596,225/44,278
  6. Step 6: Final answer
    x = 99,769.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.