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Finding the Third Proportional to 458,320.50 and 986,859

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Solution

The third proportional to 458,320.50 and 986,859 is: 2,124,911.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,320.50 : 986,859 = 986,859 : x
  2. Step 2: Convert to fraction form
    458,320.50/986,859 = 986,859/x
  3. Step 3: Cross multiply
    458,320.50x = 986,859 × 986,859
  4. Step 4: Simplify right side
    458,320.50x = 973,890,685,881
  5. Step 5: Solve for x
    x = 973,890,685,881/458,320.50
  6. Step 6: Final answer
    x = 2,124,911.90

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.