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Finding the Third Proportional to 558,513 and 1,205,586

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Solution

The third proportional to 558,513 and 1,205,586 is: 2,602,334.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,513 : 1,205,586 = 1,205,586 : x
  2. Step 2: Convert to fraction form
    558,513/1,205,586 = 1,205,586/x
  3. Step 3: Cross multiply
    558,513x = 1,205,586 × 1,205,586
  4. Step 4: Simplify right side
    558,513x = 1,453,437,603,396
  5. Step 5: Solve for x
    x = 1,453,437,603,396/558,513
  6. Step 6: Final answer
    x = 2,602,334.42

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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.