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Finding the Third Proportional to 261,916.50 and 571,809

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Solution

The third proportional to 261,916.50 and 571,809 is: 1,248,357.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,916.50 : 571,809 = 571,809 : x
  2. Step 2: Convert to fraction form
    261,916.50/571,809 = 571,809/x
  3. Step 3: Cross multiply
    261,916.50x = 571,809 × 571,809
  4. Step 4: Simplify right side
    261,916.50x = 326,965,532,481
  5. Step 5: Solve for x
    x = 326,965,532,481/261,916.50
  6. Step 6: Final answer
    x = 1,248,357.90

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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.