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Finding the Third Proportional to 477,198 and 1,029,117.50

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Solution

The third proportional to 477,198 and 1,029,117.50 is: 2,219,378.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,198 : 1,029,117.50 = 1,029,117.50 : x
  2. Step 2: Convert to fraction form
    477,198/1,029,117.50 = 1,029,117.50/x
  3. Step 3: Cross multiply
    477,198x = 1,029,117.50 × 1,029,117.50
  4. Step 4: Simplify right side
    477,198x = 1,059,082,828,806.25
  5. Step 5: Solve for x
    x = 1,059,082,828,806.25/477,198
  6. Step 6: Final answer
    x = 2,219,378.18

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.