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Finding the Third Proportional to 282,548 and 426,702

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Solution

The third proportional to 282,548 and 426,702 is: 644,402.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,548 : 426,702 = 426,702 : x
  2. Step 2: Convert to fraction form
    282,548/426,702 = 426,702/x
  3. Step 3: Cross multiply
    282,548x = 426,702 × 426,702
  4. Step 4: Simplify right side
    282,548x = 182,074,596,804
  5. Step 5: Solve for x
    x = 182,074,596,804/282,548
  6. Step 6: Final answer
    x = 644,402.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.