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Finding the Third Proportional to 75,570 and 164,988.50

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Solution

The third proportional to 75,570 and 164,988.50 is: 360,211.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,570 : 164,988.50 = 164,988.50 : x
  2. Step 2: Convert to fraction form
    75,570/164,988.50 = 164,988.50/x
  3. Step 3: Cross multiply
    75,570x = 164,988.50 × 164,988.50
  4. Step 4: Simplify right side
    75,570x = 27,221,205,132.25
  5. Step 5: Solve for x
    x = 27,221,205,132.25/75,570
  6. Step 6: Final answer
    x = 360,211.79

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.