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Finding the Third Proportional to 5,779,660.50 and 9,000,420.75

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Solution

The third proportional to 5,779,660.50 and 9,000,420.75 is: 14,015,974.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779,660.50 : 9,000,420.75 = 9,000,420.75 : x
  2. Step 2: Convert to fraction form
    5,779,660.50/9,000,420.75 = 9,000,420.75/x
  3. Step 3: Cross multiply
    5,779,660.50x = 9,000,420.75 × 9,000,420.75
  4. Step 4: Simplify right side
    5,779,660.50x = 81,007,573,677,030.56
  5. Step 5: Solve for x
    x = 81,007,573,677,030.56/5,779,660.50
  6. Step 6: Final answer
    x = 14,015,974.41

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.