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Finding the Third Proportional to 386,044 and 556,926

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Solution

The third proportional to 386,044 and 556,926 is: 803,448.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,044 : 556,926 = 556,926 : x
  2. Step 2: Convert to fraction form
    386,044/556,926 = 556,926/x
  3. Step 3: Cross multiply
    386,044x = 556,926 × 556,926
  4. Step 4: Simplify right side
    386,044x = 310,166,569,476
  5. Step 5: Solve for x
    x = 310,166,569,476/386,044
  6. Step 6: Final answer
    x = 803,448.75

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.