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Finding the Third Proportional to 284,828 and 614,688

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Solution

The third proportional to 284,828 and 614,688 is: 1,326,559.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,828 : 614,688 = 614,688 : x
  2. Step 2: Convert to fraction form
    284,828/614,688 = 614,688/x
  3. Step 3: Cross multiply
    284,828x = 614,688 × 614,688
  4. Step 4: Simplify right side
    284,828x = 377,841,337,344
  5. Step 5: Solve for x
    x = 377,841,337,344/284,828
  6. Step 6: Final answer
    x = 1,326,559.67

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.