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Finding the Third Proportional to 207,316 and 447,712

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Solution

The third proportional to 207,316 and 447,712 is: 966,862.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,316 : 447,712 = 447,712 : x
  2. Step 2: Convert to fraction form
    207,316/447,712 = 447,712/x
  3. Step 3: Cross multiply
    207,316x = 447,712 × 447,712
  4. Step 4: Simplify right side
    207,316x = 200,446,034,944
  5. Step 5: Solve for x
    x = 200,446,034,944/207,316
  6. Step 6: Final answer
    x = 966,862.35

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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.