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Finding the Third Proportional to 1,749,486 and 2,615,121

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Solution

The third proportional to 1,749,486 and 2,615,121 is: 3,909,066.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749,486 : 2,615,121 = 2,615,121 : x
  2. Step 2: Convert to fraction form
    1,749,486/2,615,121 = 2,615,121/x
  3. Step 3: Cross multiply
    1,749,486x = 2,615,121 × 2,615,121
  4. Step 4: Simplify right side
    1,749,486x = 6,838,857,844,641
  5. Step 5: Solve for x
    x = 6,838,857,844,641/1,749,486
  6. Step 6: Final answer
    x = 3,909,066.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.