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Finding the Third Proportional to 70,206.75 and 152,077.50

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Solution

The third proportional to 70,206.75 and 152,077.50 is: 329,420.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,206.75 : 152,077.50 = 152,077.50 : x
  2. Step 2: Convert to fraction form
    70,206.75/152,077.50 = 152,077.50/x
  3. Step 3: Cross multiply
    70,206.75x = 152,077.50 × 152,077.50
  4. Step 4: Simplify right side
    70,206.75x = 23,127,566,006.25
  5. Step 5: Solve for x
    x = 23,127,566,006.25/70,206.75
  6. Step 6: Final answer
    x = 329,420.83

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.