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Finding the Third Proportional to 100,800 and 157,776

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Solution

The third proportional to 100,800 and 157,776 is: 246,957.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,800 : 157,776 = 157,776 : x
  2. Step 2: Convert to fraction form
    100,800/157,776 = 157,776/x
  3. Step 3: Cross multiply
    100,800x = 157,776 × 157,776
  4. Step 4: Simplify right side
    100,800x = 24,893,266,176
  5. Step 5: Solve for x
    x = 24,893,266,176/100,800
  6. Step 6: Final answer
    x = 246,957.01

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.