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Finding the Third Proportional to 130,216 and 195,288

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Solution

The third proportional to 130,216 and 195,288 is: 292,878.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,216 : 195,288 = 195,288 : x
  2. Step 2: Convert to fraction form
    130,216/195,288 = 195,288/x
  3. Step 3: Cross multiply
    130,216x = 195,288 × 195,288
  4. Step 4: Simplify right side
    130,216x = 38,137,402,944
  5. Step 5: Solve for x
    x = 38,137,402,944/130,216
  6. Step 6: Final answer
    x = 292,878.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.