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Finding the Third Proportional to 31,492,482.75 and 47,238,738.75

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Solution

The third proportional to 31,492,482.75 and 47,238,738.75 is: 70,858,130.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,492,482.75 : 47,238,738.75 = 47,238,738.75 : x
  2. Step 2: Convert to fraction form
    31,492,482.75/47,238,738.75 = 47,238,738.75/x
  3. Step 3: Cross multiply
    31,492,482.75x = 47,238,738.75 × 47,238,738.75
  4. Step 4: Simplify right side
    31,492,482.75x = 2,231,498,438,690,751.50
  5. Step 5: Solve for x
    x = 2,231,498,438,690,751.50/31,492,482.75
  6. Step 6: Final answer
    x = 70,858,130.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.