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Finding the Third Proportional to 372,644 and 808,312

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Solution

The third proportional to 372,644 and 808,312 is: 1,753,331.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,644 : 808,312 = 808,312 : x
  2. Step 2: Convert to fraction form
    372,644/808,312 = 808,312/x
  3. Step 3: Cross multiply
    372,644x = 808,312 × 808,312
  4. Step 4: Simplify right side
    372,644x = 653,368,289,344
  5. Step 5: Solve for x
    x = 653,368,289,344/372,644
  6. Step 6: Final answer
    x = 1,753,331.03

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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.