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Finding the Third Proportional to 564,406 and 874,292

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Solution

The third proportional to 564,406 and 874,292 is: 1,354,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,406 : 874,292 = 874,292 : x
  2. Step 2: Convert to fraction form
    564,406/874,292 = 874,292/x
  3. Step 3: Cross multiply
    564,406x = 874,292 × 874,292
  4. Step 4: Simplify right side
    564,406x = 764,386,501,264
  5. Step 5: Solve for x
    x = 764,386,501,264/564,406
  6. Step 6: Final answer
    x = 1,354,320.30

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.