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Finding the Third Proportional to 132,426.75 and 170,032.50

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Solution

The third proportional to 132,426.75 and 170,032.50 is: 218,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,426.75 : 170,032.50 = 170,032.50 : x
  2. Step 2: Convert to fraction form
    132,426.75/170,032.50 = 170,032.50/x
  3. Step 3: Cross multiply
    132,426.75x = 170,032.50 × 170,032.50
  4. Step 4: Simplify right side
    132,426.75x = 28,911,051,056.25
  5. Step 5: Solve for x
    x = 28,911,051,056.25/132,426.75
  6. Step 6: Final answer
    x = 218,317.30

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.