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Finding the Third Proportional to 257,590.13 and 558,082.13

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Solution

The third proportional to 257,590.13 and 558,082.13 is: 1,209,113.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,590.13 : 558,082.13 = 558,082.13 : x
  2. Step 2: Convert to fraction form
    257,590.13/558,082.13 = 558,082.13/x
  3. Step 3: Cross multiply
    257,590.13x = 558,082.13 × 558,082.13
  4. Step 4: Simplify right side
    257,590.13x = 311,455,658,244.52
  5. Step 5: Solve for x
    x = 311,455,658,244.52/257,590.13
  6. Step 6: Final answer
    x = 1,209,113.35

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.