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Finding the Third Proportional to 716,987 and 1,560,415

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Solution

The third proportional to 716,987 and 1,560,415 is: 3,396,009.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,987 : 1,560,415 = 1,560,415 : x
  2. Step 2: Convert to fraction form
    716,987/1,560,415 = 1,560,415/x
  3. Step 3: Cross multiply
    716,987x = 1,560,415 × 1,560,415
  4. Step 4: Simplify right side
    716,987x = 2,434,894,972,225
  5. Step 5: Solve for x
    x = 2,434,894,972,225/716,987
  6. Step 6: Final answer
    x = 3,396,009.93

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.