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Finding the Third Proportional to 8,947,293.75 and 13,680,937.13

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Solution

The third proportional to 8,947,293.75 and 13,680,937.13 is: 20,918,955.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947,293.75 : 13,680,937.13 = 13,680,937.13 : x
  2. Step 2: Convert to fraction form
    8,947,293.75/13,680,937.13 = 13,680,937.13/x
  3. Step 3: Cross multiply
    8,947,293.75x = 13,680,937.13 × 13,680,937.13
  4. Step 4: Simplify right side
    8,947,293.75x = 187,168,040,618,203.25
  5. Step 5: Solve for x
    x = 187,168,040,618,203.25/8,947,293.75
  6. Step 6: Final answer
    x = 20,918,955.59

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.