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Finding the Third Proportional to 210,079.50 and 275,752.50

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Solution

The third proportional to 210,079.50 and 275,752.50 is: 361,955.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,079.50 : 275,752.50 = 275,752.50 : x
  2. Step 2: Convert to fraction form
    210,079.50/275,752.50 = 275,752.50/x
  3. Step 3: Cross multiply
    210,079.50x = 275,752.50 × 275,752.50
  4. Step 4: Simplify right side
    210,079.50x = 76,039,441,256.25
  5. Step 5: Solve for x
    x = 76,039,441,256.25/210,079.50
  6. Step 6: Final answer
    x = 361,955.55

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.