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Finding the Third Proportional to 357,281 and 568,721.50

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Solution

The third proportional to 357,281 and 568,721.50 is: 905,293.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,281 : 568,721.50 = 568,721.50 : x
  2. Step 2: Convert to fraction form
    357,281/568,721.50 = 568,721.50/x
  3. Step 3: Cross multiply
    357,281x = 568,721.50 × 568,721.50
  4. Step 4: Simplify right side
    357,281x = 323,444,144,562.25
  5. Step 5: Solve for x
    x = 323,444,144,562.25/357,281
  6. Step 6: Final answer
    x = 905,293.44

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.