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Finding the Third Proportional to 717,609 and 1,156,243.50

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Solution

The third proportional to 717,609 and 1,156,243.50 is: 1,862,990.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,609 : 1,156,243.50 = 1,156,243.50 : x
  2. Step 2: Convert to fraction form
    717,609/1,156,243.50 = 1,156,243.50/x
  3. Step 3: Cross multiply
    717,609x = 1,156,243.50 × 1,156,243.50
  4. Step 4: Simplify right side
    717,609x = 1,336,899,031,292.25
  5. Step 5: Solve for x
    x = 1,336,899,031,292.25/717,609
  6. Step 6: Final answer
    x = 1,862,990.89

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.