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Finding the Third Proportional to 295,885.13 and 647,127

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Solution

The third proportional to 295,885.13 and 647,127 is: 1,415,324.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,885.13 : 647,127 = 647,127 : x
  2. Step 2: Convert to fraction form
    295,885.13/647,127 = 647,127/x
  3. Step 3: Cross multiply
    295,885.13x = 647,127 × 647,127
  4. Step 4: Simplify right side
    295,885.13x = 418,773,354,129
  5. Step 5: Solve for x
    x = 418,773,354,129/295,885.13
  6. Step 6: Final answer
    x = 1,415,324.12

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.