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Finding the Third Proportional to 30,752,410.50 and 67,773,138.75

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Solution

The third proportional to 30,752,410.50 and 67,773,138.75 is: 149,360,595.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,752,410.50 : 67,773,138.75 = 67,773,138.75 : x
  2. Step 2: Convert to fraction form
    30,752,410.50/67,773,138.75 = 67,773,138.75/x
  3. Step 3: Cross multiply
    30,752,410.50x = 67,773,138.75 × 67,773,138.75
  4. Step 4: Simplify right side
    30,752,410.50x = 4,593,198,336,026,752
  5. Step 5: Solve for x
    x = 4,593,198,336,026,752/30,752,410.50
  6. Step 6: Final answer
    x = 149,360,595.20

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.