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Finding the Third Proportional to 524,174 and 785,436

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Solution

The third proportional to 524,174 and 785,436 is: 1,176,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,174 : 785,436 = 785,436 : x
  2. Step 2: Convert to fraction form
    524,174/785,436 = 785,436/x
  3. Step 3: Cross multiply
    524,174x = 785,436 × 785,436
  4. Step 4: Simplify right side
    524,174x = 616,909,710,096
  5. Step 5: Solve for x
    x = 616,909,710,096/524,174
  6. Step 6: Final answer
    x = 1,176,917.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.