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Finding the Third Proportional to 7,866,311.63 and 17,293,668.38

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Solution

The third proportional to 7,866,311.63 and 17,293,668.38 is: 38,019,211.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,866,311.63 : 17,293,668.38 = 17,293,668.38 : x
  2. Step 2: Convert to fraction form
    7,866,311.63/17,293,668.38 = 17,293,668.38/x
  3. Step 3: Cross multiply
    7,866,311.63x = 17,293,668.38 × 17,293,668.38
  4. Step 4: Simplify right side
    7,866,311.63x = 299,070,965,864,475.12
  5. Step 5: Solve for x
    x = 299,070,965,864,475.12/7,866,311.63
  6. Step 6: Final answer
    x = 38,019,211.56

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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.