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Finding the Third Proportional to 74,280 and 112,050

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Solution

The third proportional to 74,280 and 112,050 is: 169,025.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,280 : 112,050 = 112,050 : x
  2. Step 2: Convert to fraction form
    74,280/112,050 = 112,050/x
  3. Step 3: Cross multiply
    74,280x = 112,050 × 112,050
  4. Step 4: Simplify right side
    74,280x = 12,555,202,500
  5. Step 5: Solve for x
    x = 12,555,202,500/74,280
  6. Step 6: Final answer
    x = 169,025.34

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1.5x scale

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.