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Finding the Third Proportional to 51,984 and 78,446.25

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Solution

The third proportional to 51,984 and 78,446.25 is: 118,379.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,984 : 78,446.25 = 78,446.25 : x
  2. Step 2: Convert to fraction form
    51,984/78,446.25 = 78,446.25/x
  3. Step 3: Cross multiply
    51,984x = 78,446.25 × 78,446.25
  4. Step 4: Simplify right side
    51,984x = 6,153,814,139.06
  5. Step 5: Solve for x
    x = 6,153,814,139.06/51,984
  6. Step 6: Final answer
    x = 118,379.00

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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.