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Finding the Third Proportional to 913,893 and 1,980,318

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Solution

The third proportional to 913,893 and 1,980,318 is: 4,291,158.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,893 : 1,980,318 = 1,980,318 : x
  2. Step 2: Convert to fraction form
    913,893/1,980,318 = 1,980,318/x
  3. Step 3: Cross multiply
    913,893x = 1,980,318 × 1,980,318
  4. Step 4: Simplify right side
    913,893x = 3,921,659,381,124
  5. Step 5: Solve for x
    x = 3,921,659,381,124/913,893
  6. Step 6: Final answer
    x = 4,291,158.13

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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.