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Finding the Third Proportional to 5,417,887.50 and 7,947,225

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Solution

The third proportional to 5,417,887.50 and 7,947,225 is: 11,657,382.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417,887.50 : 7,947,225 = 7,947,225 : x
  2. Step 2: Convert to fraction form
    5,417,887.50/7,947,225 = 7,947,225/x
  3. Step 3: Cross multiply
    5,417,887.50x = 7,947,225 × 7,947,225
  4. Step 4: Simplify right side
    5,417,887.50x = 63,158,385,200,625
  5. Step 5: Solve for x
    x = 63,158,385,200,625/5,417,887.50
  6. Step 6: Final answer
    x = 11,657,382.18

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.