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Finding the Third Proportional to 71,630,138.25 and 153,480,856.50

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Solution

The third proportional to 71,630,138.25 and 153,480,856.50 is: 328,861,201.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,630,138.25 : 153,480,856.50 = 153,480,856.50 : x
  2. Step 2: Convert to fraction form
    71,630,138.25/153,480,856.50 = 153,480,856.50/x
  3. Step 3: Cross multiply
    71,630,138.25x = 153,480,856.50 × 153,480,856.50
  4. Step 4: Simplify right side
    71,630,138.25x = 23,556,373,311,973,592
  5. Step 5: Solve for x
    x = 23,556,373,311,973,592/71,630,138.25
  6. Step 6: Final answer
    x = 328,861,201.27

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.