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Finding the Third Proportional to 136,027.50 and 291,711

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Solution

The third proportional to 136,027.50 and 291,711 is: 625,574.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,027.50 : 291,711 = 291,711 : x
  2. Step 2: Convert to fraction form
    136,027.50/291,711 = 291,711/x
  3. Step 3: Cross multiply
    136,027.50x = 291,711 × 291,711
  4. Step 4: Simplify right side
    136,027.50x = 85,095,307,521
  5. Step 5: Solve for x
    x = 85,095,307,521/136,027.50
  6. Step 6: Final answer
    x = 625,574.30

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.