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Finding the Third Proportional to 31,265,364 and 68,891,556

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Solution

The third proportional to 31,265,364 and 68,891,556 is: 151,798,856.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,265,364 : 68,891,556 = 68,891,556 : x
  2. Step 2: Convert to fraction form
    31,265,364/68,891,556 = 68,891,556/x
  3. Step 3: Cross multiply
    31,265,364x = 68,891,556 × 68,891,556
  4. Step 4: Simplify right side
    31,265,364x = 4,746,046,488,101,136
  5. Step 5: Solve for x
    x = 4,746,046,488,101,136/31,265,364
  6. Step 6: Final answer
    x = 151,798,856.02

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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.