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Finding the Third Proportional to 28,444 and 45,442

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Solution

The third proportional to 28,444 and 45,442 is: 72,597.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,444 : 45,442 = 45,442 : x
  2. Step 2: Convert to fraction form
    28,444/45,442 = 45,442/x
  3. Step 3: Cross multiply
    28,444x = 45,442 × 45,442
  4. Step 4: Simplify right side
    28,444x = 2,064,975,364
  5. Step 5: Solve for x
    x = 2,064,975,364/28,444
  6. Step 6: Final answer
    x = 72,597.92

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.