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Finding the Third Proportional to 28,476 and 45,447.75

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Solution

The third proportional to 28,476 and 45,447.75 is: 72,534.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,476 : 45,447.75 = 45,447.75 : x
  2. Step 2: Convert to fraction form
    28,476/45,447.75 = 45,447.75/x
  3. Step 3: Cross multiply
    28,476x = 45,447.75 × 45,447.75
  4. Step 4: Simplify right side
    28,476x = 2,065,497,980.06
  5. Step 5: Solve for x
    x = 2,065,497,980.06/28,476
  6. Step 6: Final answer
    x = 72,534.70

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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.