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Finding the Third Proportional to 491,618 and 750,549

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Solution

The third proportional to 491,618 and 750,549 is: 1,145,856.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,618 : 750,549 = 750,549 : x
  2. Step 2: Convert to fraction form
    491,618/750,549 = 750,549/x
  3. Step 3: Cross multiply
    491,618x = 750,549 × 750,549
  4. Step 4: Simplify right side
    491,618x = 563,323,801,401
  5. Step 5: Solve for x
    x = 563,323,801,401/491,618
  6. Step 6: Final answer
    x = 1,145,856.75

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.