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Finding the Third Proportional to 247,959 and 535,275

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Solution

The third proportional to 247,959 and 535,275 is: 1,155,510.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,959 : 535,275 = 535,275 : x
  2. Step 2: Convert to fraction form
    247,959/535,275 = 535,275/x
  3. Step 3: Cross multiply
    247,959x = 535,275 × 535,275
  4. Step 4: Simplify right side
    247,959x = 286,519,325,625
  5. Step 5: Solve for x
    x = 286,519,325,625/247,959
  6. Step 6: Final answer
    x = 1,155,510.89

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.