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Finding the Third Proportional to 145,526.63 and 318,107.25

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Solution

The third proportional to 145,526.63 and 318,107.25 is: 695,351.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,526.63 : 318,107.25 = 318,107.25 : x
  2. Step 2: Convert to fraction form
    145,526.63/318,107.25 = 318,107.25/x
  3. Step 3: Cross multiply
    145,526.63x = 318,107.25 × 318,107.25
  4. Step 4: Simplify right side
    145,526.63x = 101,192,222,502.56
  5. Step 5: Solve for x
    x = 101,192,222,502.56/145,526.63
  6. Step 6: Final answer
    x = 695,351.95

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.