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Finding the Third Proportional to 130,893 and 210,007

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Solution

The third proportional to 130,893 and 210,007 is: 336,938.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,893 : 210,007 = 210,007 : x
  2. Step 2: Convert to fraction form
    130,893/210,007 = 210,007/x
  3. Step 3: Cross multiply
    130,893x = 210,007 × 210,007
  4. Step 4: Simplify right side
    130,893x = 44,102,940,049
  5. Step 5: Solve for x
    x = 44,102,940,049/130,893
  6. Step 6: Final answer
    x = 336,938.87

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.