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Finding the Third Proportional to 99,522 and 216,357.75

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Solution

The third proportional to 99,522 and 216,357.75 is: 470,355.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,522 : 216,357.75 = 216,357.75 : x
  2. Step 2: Convert to fraction form
    99,522/216,357.75 = 216,357.75/x
  3. Step 3: Cross multiply
    99,522x = 216,357.75 × 216,357.75
  4. Step 4: Simplify right side
    99,522x = 46,810,675,985.06
  5. Step 5: Solve for x
    x = 46,810,675,985.06/99,522
  6. Step 6: Final answer
    x = 470,355.06

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.