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Finding the Third Proportional to 8,845,506.28 and 18,920,615.34

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Solution

The third proportional to 8,845,506.28 and 18,920,615.34 is: 40,471,361.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845,506.28 : 18,920,615.34 = 18,920,615.34 : x
  2. Step 2: Convert to fraction form
    8,845,506.28/18,920,615.34 = 18,920,615.34/x
  3. Step 3: Cross multiply
    8,845,506.28x = 18,920,615.34 × 18,920,615.34
  4. Step 4: Simplify right side
    8,845,506.28x = 357,989,684,986,147.94
  5. Step 5: Solve for x
    x = 357,989,684,986,147.94/8,845,506.28
  6. Step 6: Final answer
    x = 40,471,361.80

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.