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Finding the Third Proportional to 153,472 and 236,769

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Solution

The third proportional to 153,472 and 236,769 is: 365,275.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,472 : 236,769 = 236,769 : x
  2. Step 2: Convert to fraction form
    153,472/236,769 = 236,769/x
  3. Step 3: Cross multiply
    153,472x = 236,769 × 236,769
  4. Step 4: Simplify right side
    153,472x = 56,059,559,361
  5. Step 5: Solve for x
    x = 56,059,559,361/153,472
  6. Step 6: Final answer
    x = 365,275.49

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.