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Finding the Third Proportional to 145,554.75 and 318,263.63

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Solution

The third proportional to 145,554.75 and 318,263.63 is: 695,901.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,554.75 : 318,263.63 = 318,263.63 : x
  2. Step 2: Convert to fraction form
    145,554.75/318,263.63 = 318,263.63/x
  3. Step 3: Cross multiply
    145,554.75x = 318,263.63 × 318,263.63
  4. Step 4: Simplify right side
    145,554.75x = 101,291,734,998.14
  5. Step 5: Solve for x
    x = 101,291,734,998.14/145,554.75
  6. Step 6: Final answer
    x = 695,901.27

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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.