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Finding the Third Proportional to 666,792 and 1,000,260

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Solution

The third proportional to 666,792 and 1,000,260 is: 1,500,498.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,792 : 1,000,260 = 1,000,260 : x
  2. Step 2: Convert to fraction form
    666,792/1,000,260 = 1,000,260/x
  3. Step 3: Cross multiply
    666,792x = 1,000,260 × 1,000,260
  4. Step 4: Simplify right side
    666,792x = 1,000,520,067,600
  5. Step 5: Solve for x
    x = 1,000,520,067,600/666,792
  6. Step 6: Final answer
    x = 1,500,498.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.