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Finding the Third Proportional to 85,047,216.50 and 185,489,613.50

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Solution

The third proportional to 85,047,216.50 and 185,489,613.50 is: 404,556,411.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,047,216.50 : 185,489,613.50 = 185,489,613.50 : x
  2. Step 2: Convert to fraction form
    85,047,216.50/185,489,613.50 = 185,489,613.50/x
  3. Step 3: Cross multiply
    85,047,216.50x = 185,489,613.50 × 185,489,613.50
  4. Step 4: Simplify right side
    85,047,216.50x = 34,406,396,716,379,384
  5. Step 5: Solve for x
    x = 34,406,396,716,379,384/85,047,216.50
  6. Step 6: Final answer
    x = 404,556,411.51

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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.