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Finding the Third Proportional to 68,476,585.50 and 139,344,610.50

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Solution

The third proportional to 68,476,585.50 and 139,344,610.50 is: 283,555,617.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,476,585.50 : 139,344,610.50 = 139,344,610.50 : x
  2. Step 2: Convert to fraction form
    68,476,585.50/139,344,610.50 = 139,344,610.50/x
  3. Step 3: Cross multiply
    68,476,585.50x = 139,344,610.50 × 139,344,610.50
  4. Step 4: Simplify right side
    68,476,585.50x = 19,416,920,475,396,712
  5. Step 5: Solve for x
    x = 19,416,920,475,396,712/68,476,585.50
  6. Step 6: Final answer
    x = 283,555,617.35

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.