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Finding the Third Proportional to 75,475 and 161,518.50

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Solution

The third proportional to 75,475 and 161,518.50 is: 345,653.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,475 : 161,518.50 = 161,518.50 : x
  2. Step 2: Convert to fraction form
    75,475/161,518.50 = 161,518.50/x
  3. Step 3: Cross multiply
    75,475x = 161,518.50 × 161,518.50
  4. Step 4: Simplify right side
    75,475x = 26,088,225,842.25
  5. Step 5: Solve for x
    x = 26,088,225,842.25/75,475
  6. Step 6: Final answer
    x = 345,653.87

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.