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Finding the Third Proportional to 373,445 and 819,453

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Solution

The third proportional to 373,445 and 819,453 is: 1,798,131.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,445 : 819,453 = 819,453 : x
  2. Step 2: Convert to fraction form
    373,445/819,453 = 819,453/x
  3. Step 3: Cross multiply
    373,445x = 819,453 × 819,453
  4. Step 4: Simplify right side
    373,445x = 671,503,219,209
  5. Step 5: Solve for x
    x = 671,503,219,209/373,445
  6. Step 6: Final answer
    x = 1,798,131.50

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.