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Finding the Third Proportional to 75,156 and 110,275.50

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Solution

The third proportional to 75,156 and 110,275.50 is: 161,805.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,156 : 110,275.50 = 110,275.50 : x
  2. Step 2: Convert to fraction form
    75,156/110,275.50 = 110,275.50/x
  3. Step 3: Cross multiply
    75,156x = 110,275.50 × 110,275.50
  4. Step 4: Simplify right side
    75,156x = 12,160,685,900.25
  5. Step 5: Solve for x
    x = 12,160,685,900.25/75,156
  6. Step 6: Final answer
    x = 161,805.92

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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.