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Finding the Third Proportional to 134,217 and 292,407

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Solution

The third proportional to 134,217 and 292,407 is: 637,041.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,217 : 292,407 = 292,407 : x
  2. Step 2: Convert to fraction form
    134,217/292,407 = 292,407/x
  3. Step 3: Cross multiply
    134,217x = 292,407 × 292,407
  4. Step 4: Simplify right side
    134,217x = 85,501,853,649
  5. Step 5: Solve for x
    x = 85,501,853,649/134,217
  6. Step 6: Final answer
    x = 637,041.91

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.