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Finding the Third Proportional to 243,776 and 365,664

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Solution

The third proportional to 243,776 and 365,664 is: 548,496

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,776 : 365,664 = 365,664 : x
  2. Step 2: Convert to fraction form
    243,776/365,664 = 365,664/x
  3. Step 3: Cross multiply
    243,776x = 365,664 × 365,664
  4. Step 4: Simplify right side
    243,776x = 133,710,160,896
  5. Step 5: Solve for x
    x = 133,710,160,896/243,776
  6. Step 6: Final answer
    x = 548,496

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.