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Finding the Third Proportional to 214,248 and 314,742

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Solution

The third proportional to 214,248 and 314,742 is: 462,373.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,248 : 314,742 = 314,742 : x
  2. Step 2: Convert to fraction form
    214,248/314,742 = 314,742/x
  3. Step 3: Cross multiply
    214,248x = 314,742 × 314,742
  4. Step 4: Simplify right side
    214,248x = 99,062,526,564
  5. Step 5: Solve for x
    x = 99,062,526,564/214,248
  6. Step 6: Final answer
    x = 462,373.17

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.