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Finding the Third Proportional to 870,600 and 1,233,000

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Solution

The third proportional to 870,600 and 1,233,000 is: 1,746,254.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,600 : 1,233,000 = 1,233,000 : x
  2. Step 2: Convert to fraction form
    870,600/1,233,000 = 1,233,000/x
  3. Step 3: Cross multiply
    870,600x = 1,233,000 × 1,233,000
  4. Step 4: Simplify right side
    870,600x = 1,520,289,000,000
  5. Step 5: Solve for x
    x = 1,520,289,000,000/870,600
  6. Step 6: Final answer
    x = 1,746,254.31

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.