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Finding the Third Proportional to 99,276 and 216,044

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Solution

The third proportional to 99,276 and 216,044 is: 470,154.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,276 : 216,044 = 216,044 : x
  2. Step 2: Convert to fraction form
    99,276/216,044 = 216,044/x
  3. Step 3: Cross multiply
    99,276x = 216,044 × 216,044
  4. Step 4: Simplify right side
    99,276x = 46,675,009,936
  5. Step 5: Solve for x
    x = 46,675,009,936/99,276
  6. Step 6: Final answer
    x = 470,154.01

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.