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Finding the Third Proportional to 60,444.35 and 129,808.51

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Solution

The third proportional to 60,444.35 and 129,808.51 is: 278,772.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,444.35 : 129,808.51 = 129,808.51 : x
  2. Step 2: Convert to fraction form
    60,444.35/129,808.51 = 129,808.51/x
  3. Step 3: Cross multiply
    60,444.35x = 129,808.51 × 129,808.51
  4. Step 4: Simplify right side
    60,444.35x = 16,850,249,714.64
  5. Step 5: Solve for x
    x = 16,850,249,714.64/60,444.35
  6. Step 6: Final answer
    x = 278,772.94

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.