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Finding the Third Proportional to 280,030 and 614,488

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Solution

The third proportional to 280,030 and 614,488 is: 1,348,410.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,030 : 614,488 = 614,488 : x
  2. Step 2: Convert to fraction form
    280,030/614,488 = 614,488/x
  3. Step 3: Cross multiply
    280,030x = 614,488 × 614,488
  4. Step 4: Simplify right side
    280,030x = 377,595,502,144
  5. Step 5: Solve for x
    x = 377,595,502,144/280,030
  6. Step 6: Final answer
    x = 1,348,410.89

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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.