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Finding the Third Proportional to 426,060 and 918,549

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Solution

The third proportional to 426,060 and 918,549 is: 1,980,313.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,060 : 918,549 = 918,549 : x
  2. Step 2: Convert to fraction form
    426,060/918,549 = 918,549/x
  3. Step 3: Cross multiply
    426,060x = 918,549 × 918,549
  4. Step 4: Simplify right side
    426,060x = 843,732,265,401
  5. Step 5: Solve for x
    x = 843,732,265,401/426,060
  6. Step 6: Final answer
    x = 1,980,313.25

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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.