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Finding the Third Proportional to 141,557.63 and 308,032.88

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Solution

The third proportional to 141,557.63 and 308,032.88 is: 670,287.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,557.63 : 308,032.88 = 308,032.88 : x
  2. Step 2: Convert to fraction form
    141,557.63/308,032.88 = 308,032.88/x
  3. Step 3: Cross multiply
    141,557.63x = 308,032.88 × 308,032.88
  4. Step 4: Simplify right side
    141,557.63x = 94,884,252,080.77
  5. Step 5: Solve for x
    x = 94,884,252,080.77/141,557.63
  6. Step 6: Final answer
    x = 670,287.12

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.