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Finding the Third Proportional to 186,584 and 402,648

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Solution

The third proportional to 186,584 and 402,648 is: 868,913.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,584 : 402,648 = 402,648 : x
  2. Step 2: Convert to fraction form
    186,584/402,648 = 402,648/x
  3. Step 3: Cross multiply
    186,584x = 402,648 × 402,648
  4. Step 4: Simplify right side
    186,584x = 162,125,411,904
  5. Step 5: Solve for x
    x = 162,125,411,904/186,584
  6. Step 6: Final answer
    x = 868,913.80

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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.