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Finding the Third Proportional to 553,718 and 791,818

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Solution

The third proportional to 553,718 and 791,818 is: 1,132,301.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,718 : 791,818 = 791,818 : x
  2. Step 2: Convert to fraction form
    553,718/791,818 = 791,818/x
  3. Step 3: Cross multiply
    553,718x = 791,818 × 791,818
  4. Step 4: Simplify right side
    553,718x = 626,975,745,124
  5. Step 5: Solve for x
    x = 626,975,745,124/553,718
  6. Step 6: Final answer
    x = 1,132,301.54

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.