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Finding the Third Proportional to 183,432 and 402,518

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Solution

The third proportional to 183,432 and 402,518 is: 883,274.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,432 : 402,518 = 402,518 : x
  2. Step 2: Convert to fraction form
    183,432/402,518 = 402,518/x
  3. Step 3: Cross multiply
    183,432x = 402,518 × 402,518
  4. Step 4: Simplify right side
    183,432x = 162,020,740,324
  5. Step 5: Solve for x
    x = 162,020,740,324/183,432
  6. Step 6: Final answer
    x = 883,274.13

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.