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Finding the Third Proportional to 5,470,885.88 and 8,581,900.13

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Solution

The third proportional to 5,470,885.88 and 8,581,900.13 is: 13,461,989.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470,885.88 : 8,581,900.13 = 8,581,900.13 : x
  2. Step 2: Convert to fraction form
    5,470,885.88/8,581,900.13 = 8,581,900.13/x
  3. Step 3: Cross multiply
    5,470,885.88x = 8,581,900.13 × 8,581,900.13
  4. Step 4: Simplify right side
    5,470,885.88x = 73,649,009,755,475.02
  5. Step 5: Solve for x
    x = 73,649,009,755,475.02/5,470,885.88
  6. Step 6: Final answer
    x = 13,461,989.78

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.