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Finding the Third Proportional to 5,672,153.50 and 8,575,742.50

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Solution

The third proportional to 5,672,153.50 and 8,575,742.50 is: 12,965,685.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672,153.50 : 8,575,742.50 = 8,575,742.50 : x
  2. Step 2: Convert to fraction form
    5,672,153.50/8,575,742.50 = 8,575,742.50/x
  3. Step 3: Cross multiply
    5,672,153.50x = 8,575,742.50 × 8,575,742.50
  4. Step 4: Simplify right side
    5,672,153.50x = 73,543,359,426,306.25
  5. Step 5: Solve for x
    x = 73,543,359,426,306.25/5,672,153.50
  6. Step 6: Final answer
    x = 12,965,685.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.