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Finding the Third Proportional to 903,791 and 1,400,319

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Solution

The third proportional to 903,791 and 1,400,319 is: 2,169,631.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,791 : 1,400,319 = 1,400,319 : x
  2. Step 2: Convert to fraction form
    903,791/1,400,319 = 1,400,319/x
  3. Step 3: Cross multiply
    903,791x = 1,400,319 × 1,400,319
  4. Step 4: Simplify right side
    903,791x = 1,960,893,301,761
  5. Step 5: Solve for x
    x = 1,960,893,301,761/903,791
  6. Step 6: Final answer
    x = 2,169,631.37

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.