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Finding the Third Proportional to 142,873.88 and 210,043.13

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Solution

The third proportional to 142,873.88 and 210,043.13 is: 308,790.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,873.88 : 210,043.13 = 210,043.13 : x
  2. Step 2: Convert to fraction form
    142,873.88/210,043.13 = 210,043.13/x
  3. Step 3: Cross multiply
    142,873.88x = 210,043.13 × 210,043.13
  4. Step 4: Simplify right side
    142,873.88x = 44,118,114,359.77
  5. Step 5: Solve for x
    x = 44,118,114,359.77/142,873.88
  6. Step 6: Final answer
    x = 308,790.63

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.