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Finding the Third Proportional to 7,854 and 12,244.50

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Solution

The third proportional to 7,854 and 12,244.50 is: 19,089.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854 : 12,244.50 = 12,244.50 : x
  2. Step 2: Convert to fraction form
    7,854/12,244.50 = 12,244.50/x
  3. Step 3: Cross multiply
    7,854x = 12,244.50 × 12,244.50
  4. Step 4: Simplify right side
    7,854x = 149,927,780.25
  5. Step 5: Solve for x
    x = 149,927,780.25/7,854
  6. Step 6: Final answer
    x = 19,089.35

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.