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Finding the Third Proportional to 46,707.50 and 70,109

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Solution

The third proportional to 46,707.50 and 70,109 is: 105,235.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,707.50 : 70,109 = 70,109 : x
  2. Step 2: Convert to fraction form
    46,707.50/70,109 = 70,109/x
  3. Step 3: Cross multiply
    46,707.50x = 70,109 × 70,109
  4. Step 4: Simplify right side
    46,707.50x = 4,915,271,881
  5. Step 5: Solve for x
    x = 4,915,271,881/46,707.50
  6. Step 6: Final answer
    x = 105,235.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.