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Finding the Third Proportional to 403,060.50 and 609,126.75

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Solution

The third proportional to 403,060.50 and 609,126.75 is: 920,545.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,060.50 : 609,126.75 = 609,126.75 : x
  2. Step 2: Convert to fraction form
    403,060.50/609,126.75 = 609,126.75/x
  3. Step 3: Cross multiply
    403,060.50x = 609,126.75 × 609,126.75
  4. Step 4: Simplify right side
    403,060.50x = 371,035,397,565.56
  5. Step 5: Solve for x
    x = 371,035,397,565.56/403,060.50
  6. Step 6: Final answer
    x = 920,545.17

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.