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Finding the Third Proportional to 76,312.50 and 112,186.50

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Solution

The third proportional to 76,312.50 and 112,186.50 is: 164,924.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,312.50 : 112,186.50 = 112,186.50 : x
  2. Step 2: Convert to fraction form
    76,312.50/112,186.50 = 112,186.50/x
  3. Step 3: Cross multiply
    76,312.50x = 112,186.50 × 112,186.50
  4. Step 4: Simplify right side
    76,312.50x = 12,585,810,782.25
  5. Step 5: Solve for x
    x = 12,585,810,782.25/76,312.50
  6. Step 6: Final answer
    x = 164,924.63

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.