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Finding the Third Proportional to 73,950,630 and 115,402,780

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Solution

The third proportional to 73,950,630 and 115,402,780 is: 180,090,441.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,950,630 : 115,402,780 = 115,402,780 : x
  2. Step 2: Convert to fraction form
    73,950,630/115,402,780 = 115,402,780/x
  3. Step 3: Cross multiply
    73,950,630x = 115,402,780 × 115,402,780
  4. Step 4: Simplify right side
    73,950,630x = 13,317,801,631,728,400
  5. Step 5: Solve for x
    x = 13,317,801,631,728,400/73,950,630
  6. Step 6: Final answer
    x = 180,090,441.85

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.