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Finding the Third Proportional to 914,019.19 and 1,980,581.06

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Solution

The third proportional to 914,019.19 and 1,980,581.06 is: 4,291,705.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,019.19 : 1,980,581.06 = 1,980,581.06 : x
  2. Step 2: Convert to fraction form
    914,019.19/1,980,581.06 = 1,980,581.06/x
  3. Step 3: Cross multiply
    914,019.19x = 1,980,581.06 × 1,980,581.06
  4. Step 4: Simplify right side
    914,019.19x = 3,922,701,345,133.63
  5. Step 5: Solve for x
    x = 3,922,701,345,133.63/914,019.19
  6. Step 6: Final answer
    x = 4,291,705.69

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.