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Finding the Third Proportional to 8,658,689.91 and 18,824,473.41

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Solution

The third proportional to 8,658,689.91 and 18,824,473.41 is: 40,925,452.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,658,689.91 : 18,824,473.41 = 18,824,473.41 : x
  2. Step 2: Convert to fraction form
    8,658,689.91/18,824,473.41 = 18,824,473.41/x
  3. Step 3: Cross multiply
    8,658,689.91x = 18,824,473.41 × 18,824,473.41
  4. Step 4: Simplify right side
    8,658,689.91x = 354,360,799,022,613.50
  5. Step 5: Solve for x
    x = 354,360,799,022,613.50/8,658,689.91
  6. Step 6: Final answer
    x = 40,925,452.10

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.