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Finding the Third Proportional to 70,809.75 and 144,897.75

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Solution

The third proportional to 70,809.75 and 144,897.75 is: 296,503.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,809.75 : 144,897.75 = 144,897.75 : x
  2. Step 2: Convert to fraction form
    70,809.75/144,897.75 = 144,897.75/x
  3. Step 3: Cross multiply
    70,809.75x = 144,897.75 × 144,897.75
  4. Step 4: Simplify right side
    70,809.75x = 20,995,357,955.06
  5. Step 5: Solve for x
    x = 20,995,357,955.06/70,809.75
  6. Step 6: Final answer
    x = 296,503.77

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.