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Finding the Third Proportional to 4,070.25 and 6,139.50

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Solution

The third proportional to 4,070.25 and 6,139.50 is: 9,260.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.25 : 6,139.50 = 6,139.50 : x
  2. Step 2: Convert to fraction form
    4,070.25/6,139.50 = 6,139.50/x
  3. Step 3: Cross multiply
    4,070.25x = 6,139.50 × 6,139.50
  4. Step 4: Simplify right side
    4,070.25x = 37,693,460.25
  5. Step 5: Solve for x
    x = 37,693,460.25/4,070.25
  6. Step 6: Final answer
    x = 9,260.72

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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.