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Finding the Third Proportional to 70,525,381.50 and 108,979,636.50

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Solution

The third proportional to 70,525,381.50 and 108,979,636.50 is: 168,401,232.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,525,381.50 : 108,979,636.50 = 108,979,636.50 : x
  2. Step 2: Convert to fraction form
    70,525,381.50/108,979,636.50 = 108,979,636.50/x
  3. Step 3: Cross multiply
    70,525,381.50x = 108,979,636.50 × 108,979,636.50
  4. Step 4: Simplify right side
    70,525,381.50x = 11,876,561,171,672,132
  5. Step 5: Solve for x
    x = 11,876,561,171,672,132/70,525,381.50
  6. Step 6: Final answer
    x = 168,401,232.56

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.