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Finding the Third Proportional to 497,672 and 755,724

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Solution

The third proportional to 497,672 and 755,724 is: 1,147,580.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,672 : 755,724 = 755,724 : x
  2. Step 2: Convert to fraction form
    497,672/755,724 = 755,724/x
  3. Step 3: Cross multiply
    497,672x = 755,724 × 755,724
  4. Step 4: Simplify right side
    497,672x = 571,118,764,176
  5. Step 5: Solve for x
    x = 571,118,764,176/497,672
  6. Step 6: Final answer
    x = 1,147,580.66

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.