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Finding the Third Proportional to 579,510 and 886,487

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Solution

The third proportional to 579,510 and 886,487 is: 1,356,075.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,510 : 886,487 = 886,487 : x
  2. Step 2: Convert to fraction form
    579,510/886,487 = 886,487/x
  3. Step 3: Cross multiply
    579,510x = 886,487 × 886,487
  4. Step 4: Simplify right side
    579,510x = 785,859,201,169
  5. Step 5: Solve for x
    x = 785,859,201,169/579,510
  6. Step 6: Final answer
    x = 1,356,075.31

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.