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Finding the Third Proportional to 29,142.28 and 45,000.56

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Solution

The third proportional to 29,142.28 and 45,000.56 is: 69,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,142.28 : 45,000.56 = 45,000.56 : x
  2. Step 2: Convert to fraction form
    29,142.28/45,000.56 = 45,000.56/x
  3. Step 3: Cross multiply
    29,142.28x = 45,000.56 × 45,000.56
  4. Step 4: Simplify right side
    29,142.28x = 2,025,050,625.32
  5. Step 5: Solve for x
    x = 2,025,050,625.32/29,142.28
  6. Step 6: Final answer
    x = 69,488.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.