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Finding the Third Proportional to 99,218.04 and 144,666.63

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Solution

The third proportional to 99,218.04 and 144,666.63 is: 210,933.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,218.04 : 144,666.63 = 144,666.63 : x
  2. Step 2: Convert to fraction form
    99,218.04/144,666.63 = 144,666.63/x
  3. Step 3: Cross multiply
    99,218.04x = 144,666.63 × 144,666.63
  4. Step 4: Simplify right side
    99,218.04x = 20,928,434,649.31
  5. Step 5: Solve for x
    x = 20,928,434,649.31/99,218.04
  6. Step 6: Final answer
    x = 210,933.77

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.