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Finding the Third Proportional to 721,460 and 1,125,858

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Solution

The third proportional to 721,460 and 1,125,858 is: 1,756,932.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,460 : 1,125,858 = 1,125,858 : x
  2. Step 2: Convert to fraction form
    721,460/1,125,858 = 1,125,858/x
  3. Step 3: Cross multiply
    721,460x = 1,125,858 × 1,125,858
  4. Step 4: Simplify right side
    721,460x = 1,267,556,236,164
  5. Step 5: Solve for x
    x = 1,267,556,236,164/721,460
  6. Step 6: Final answer
    x = 1,756,932.10

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.