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Finding the Third Proportional to 101,604 and 217,776

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Solution

The third proportional to 101,604 and 217,776 is: 466,776.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,604 : 217,776 = 217,776 : x
  2. Step 2: Convert to fraction form
    101,604/217,776 = 217,776/x
  3. Step 3: Cross multiply
    101,604x = 217,776 × 217,776
  4. Step 4: Simplify right side
    101,604x = 47,426,386,176
  5. Step 5: Solve for x
    x = 47,426,386,176/101,604
  6. Step 6: Final answer
    x = 466,776.76

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.