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Finding the Third Proportional to 4,498,863.75 and 6,428,875.50

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Solution

The third proportional to 4,498,863.75 and 6,428,875.50 is: 9,186,861.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,498,863.75 : 6,428,875.50 = 6,428,875.50 : x
  2. Step 2: Convert to fraction form
    4,498,863.75/6,428,875.50 = 6,428,875.50/x
  3. Step 3: Cross multiply
    4,498,863.75x = 6,428,875.50 × 6,428,875.50
  4. Step 4: Simplify right side
    4,498,863.75x = 41,330,440,194,500.25
  5. Step 5: Solve for x
    x = 41,330,440,194,500.25/4,498,863.75
  6. Step 6: Final answer
    x = 9,186,861.95

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.