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Finding the Third Proportional to 4,258,477.13 and 9,235,690.88

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Solution

The third proportional to 4,258,477.13 and 9,235,690.88 is: 20,030,161.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258,477.13 : 9,235,690.88 = 9,235,690.88 : x
  2. Step 2: Convert to fraction form
    4,258,477.13/9,235,690.88 = 9,235,690.88/x
  3. Step 3: Cross multiply
    4,258,477.13x = 9,235,690.88 × 9,235,690.88
  4. Step 4: Simplify right side
    4,258,477.13x = 85,297,985,938,558.27
  5. Step 5: Solve for x
    x = 85,297,985,938,558.27/4,258,477.13
  6. Step 6: Final answer
    x = 20,030,161.82

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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.