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Finding the Third Proportional to 281,652.19 and 626,275.55

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Solution

The third proportional to 281,652.19 and 626,275.55 is: 1,392,572.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,652.19 : 626,275.55 = 626,275.55 : x
  2. Step 2: Convert to fraction form
    281,652.19/626,275.55 = 626,275.55/x
  3. Step 3: Cross multiply
    281,652.19x = 626,275.55 × 626,275.55
  4. Step 4: Simplify right side
    281,652.19x = 392,221,060,613.58
  5. Step 5: Solve for x
    x = 392,221,060,613.58/281,652.19
  6. Step 6: Final answer
    x = 1,392,572.39

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.