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Finding the Third Proportional to 186,544 and 402,572

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Solution

The third proportional to 186,544 and 402,572 is: 868,772.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,544 : 402,572 = 402,572 : x
  2. Step 2: Convert to fraction form
    186,544/402,572 = 402,572/x
  3. Step 3: Cross multiply
    186,544x = 402,572 × 402,572
  4. Step 4: Simplify right side
    186,544x = 162,064,215,184
  5. Step 5: Solve for x
    x = 162,064,215,184/186,544
  6. Step 6: Final answer
    x = 868,772.06

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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.