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Finding the Third Proportional to 15,703.50 and 22,357.50

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Solution

The third proportional to 15,703.50 and 22,357.50 is: 31,830.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,703.50 : 22,357.50 = 22,357.50 : x
  2. Step 2: Convert to fraction form
    15,703.50/22,357.50 = 22,357.50/x
  3. Step 3: Cross multiply
    15,703.50x = 22,357.50 × 22,357.50
  4. Step 4: Simplify right side
    15,703.50x = 499,857,806.25
  5. Step 5: Solve for x
    x = 499,857,806.25/15,703.50
  6. Step 6: Final answer
    x = 31,830.98

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.