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Finding the Third Proportional to 156,070.90 and 342,520.17

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Solution

The third proportional to 156,070.90 and 342,520.17 is: 751,710.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,070.90 : 342,520.17 = 342,520.17 : x
  2. Step 2: Convert to fraction form
    156,070.90/342,520.17 = 342,520.17/x
  3. Step 3: Cross multiply
    156,070.90x = 342,520.17 × 342,520.17
  4. Step 4: Simplify right side
    156,070.90x = 117,320,068,141.28
  5. Step 5: Solve for x
    x = 117,320,068,141.28/156,070.90
  6. Step 6: Final answer
    x = 751,710.08

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.