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Finding the Third Proportional to 727,654 and 1,530,706

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Solution

The third proportional to 727,654 and 1,530,706 is: 3,220,020.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,654 : 1,530,706 = 1,530,706 : x
  2. Step 2: Convert to fraction form
    727,654/1,530,706 = 1,530,706/x
  3. Step 3: Cross multiply
    727,654x = 1,530,706 × 1,530,706
  4. Step 4: Simplify right side
    727,654x = 2,343,060,858,436
  5. Step 5: Solve for x
    x = 2,343,060,858,436/727,654
  6. Step 6: Final answer
    x = 3,220,020.58

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.