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Finding the Third Proportional to 504,574 and 840,926

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Solution

The third proportional to 504,574 and 840,926 is: 1,401,492.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,574 : 840,926 = 840,926 : x
  2. Step 2: Convert to fraction form
    504,574/840,926 = 840,926/x
  3. Step 3: Cross multiply
    504,574x = 840,926 × 840,926
  4. Step 4: Simplify right side
    504,574x = 707,156,537,476
  5. Step 5: Solve for x
    x = 707,156,537,476/504,574
  6. Step 6: Final answer
    x = 1,401,492.22

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.