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Finding the Third Proportional to 292,680 and 630,504

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Solution

The third proportional to 292,680 and 630,504 is: 1,358,259.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,680 : 630,504 = 630,504 : x
  2. Step 2: Convert to fraction form
    292,680/630,504 = 630,504/x
  3. Step 3: Cross multiply
    292,680x = 630,504 × 630,504
  4. Step 4: Simplify right side
    292,680x = 397,535,294,016
  5. Step 5: Solve for x
    x = 397,535,294,016/292,680
  6. Step 6: Final answer
    x = 1,358,259.17

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.