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Finding the Third Proportional to 983,430 and 2,145,586.50

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Solution

The third proportional to 983,430 and 2,145,586.50 is: 4,681,107.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,430 : 2,145,586.50 = 2,145,586.50 : x
  2. Step 2: Convert to fraction form
    983,430/2,145,586.50 = 2,145,586.50/x
  3. Step 3: Cross multiply
    983,430x = 2,145,586.50 × 2,145,586.50
  4. Step 4: Simplify right side
    983,430x = 4,603,541,428,982.25
  5. Step 5: Solve for x
    x = 4,603,541,428,982.25/983,430
  6. Step 6: Final answer
    x = 4,681,107.38

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.