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Finding the Third Proportional to 30,712.50 and 48,966.75

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Solution

The third proportional to 30,712.50 and 48,966.75 is: 78,070.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,712.50 : 48,966.75 = 48,966.75 : x
  2. Step 2: Convert to fraction form
    30,712.50/48,966.75 = 48,966.75/x
  3. Step 3: Cross multiply
    30,712.50x = 48,966.75 × 48,966.75
  4. Step 4: Simplify right side
    30,712.50x = 2,397,742,605.56
  5. Step 5: Solve for x
    x = 2,397,742,605.56/30,712.50
  6. Step 6: Final answer
    x = 78,070.58

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.