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Finding the Third Proportional to 63,684,715.50 and 138,898,170

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Solution

The third proportional to 63,684,715.50 and 138,898,170 is: 302,940,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,684,715.50 : 138,898,170 = 138,898,170 : x
  2. Step 2: Convert to fraction form
    63,684,715.50/138,898,170 = 138,898,170/x
  3. Step 3: Cross multiply
    63,684,715.50x = 138,898,170 × 138,898,170
  4. Step 4: Simplify right side
    63,684,715.50x = 19,292,701,629,348,900
  5. Step 5: Solve for x
    x = 19,292,701,629,348,900/63,684,715.50
  6. Step 6: Final answer
    x = 302,940,846.60

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.