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Finding the Third Proportional to 913,402 and 1,276,992

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Solution

The third proportional to 913,402 and 1,276,992 is: 1,785,313.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,402 : 1,276,992 = 1,276,992 : x
  2. Step 2: Convert to fraction form
    913,402/1,276,992 = 1,276,992/x
  3. Step 3: Cross multiply
    913,402x = 1,276,992 × 1,276,992
  4. Step 4: Simplify right side
    913,402x = 1,630,708,568,064
  5. Step 5: Solve for x
    x = 1,630,708,568,064/913,402
  6. Step 6: Final answer
    x = 1,785,313.11

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.