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Finding the Third Proportional to 141,984 and 297,072

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Solution

The third proportional to 141,984 and 297,072 is: 621,561.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,984 : 297,072 = 297,072 : x
  2. Step 2: Convert to fraction form
    141,984/297,072 = 297,072/x
  3. Step 3: Cross multiply
    141,984x = 297,072 × 297,072
  4. Step 4: Simplify right side
    141,984x = 88,251,773,184
  5. Step 5: Solve for x
    x = 88,251,773,184/141,984
  6. Step 6: Final answer
    x = 621,561.40

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.