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Finding the Third Proportional to 8,079,679.13 and 12,862,582.88

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Solution

The third proportional to 8,079,679.13 and 12,862,582.88 is: 20,476,808.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079,679.13 : 12,862,582.88 = 12,862,582.88 : x
  2. Step 2: Convert to fraction form
    8,079,679.13/12,862,582.88 = 12,862,582.88/x
  3. Step 3: Cross multiply
    8,079,679.13x = 12,862,582.88 × 12,862,582.88
  4. Step 4: Simplify right side
    8,079,679.13x = 165,446,038,216,243.25
  5. Step 5: Solve for x
    x = 165,446,038,216,243.25/8,079,679.13
  6. Step 6: Final answer
    x = 20,476,808.01

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.