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Finding the Third Proportional to 286,017 and 615,882

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Solution

The third proportional to 286,017 and 615,882 is: 1,326,182.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,017 : 615,882 = 615,882 : x
  2. Step 2: Convert to fraction form
    286,017/615,882 = 615,882/x
  3. Step 3: Cross multiply
    286,017x = 615,882 × 615,882
  4. Step 4: Simplify right side
    286,017x = 379,310,637,924
  5. Step 5: Solve for x
    x = 379,310,637,924/286,017
  6. Step 6: Final answer
    x = 1,326,182.14

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.