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Finding the Third Proportional to 315,030 and 484,209

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Solution

The third proportional to 315,030 and 484,209 is: 744,241.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,030 : 484,209 = 484,209 : x
  2. Step 2: Convert to fraction form
    315,030/484,209 = 484,209/x
  3. Step 3: Cross multiply
    315,030x = 484,209 × 484,209
  4. Step 4: Simplify right side
    315,030x = 234,458,355,681
  5. Step 5: Solve for x
    x = 234,458,355,681/315,030
  6. Step 6: Final answer
    x = 744,241.36

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.