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Finding the Third Proportional to 913,883 and 1,980,153

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Solution

The third proportional to 913,883 and 1,980,153 is: 4,290,490.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,883 : 1,980,153 = 1,980,153 : x
  2. Step 2: Convert to fraction form
    913,883/1,980,153 = 1,980,153/x
  3. Step 3: Cross multiply
    913,883x = 1,980,153 × 1,980,153
  4. Step 4: Simplify right side
    913,883x = 3,921,005,903,409
  5. Step 5: Solve for x
    x = 3,921,005,903,409/913,883
  6. Step 6: Final answer
    x = 4,290,490.03

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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.