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Finding the Third Proportional to 436,219.88 and 912,170.25

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Solution

The third proportional to 436,219.88 and 912,170.25 is: 1,907,420.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,219.88 : 912,170.25 = 912,170.25 : x
  2. Step 2: Convert to fraction form
    436,219.88/912,170.25 = 912,170.25/x
  3. Step 3: Cross multiply
    436,219.88x = 912,170.25 × 912,170.25
  4. Step 4: Simplify right side
    436,219.88x = 832,054,564,985.06
  5. Step 5: Solve for x
    x = 832,054,564,985.06/436,219.88
  6. Step 6: Final answer
    x = 1,907,420.12

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.