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Finding the Third Proportional to 552,540 and 830,862

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Solution

The third proportional to 552,540 and 830,862 is: 1,249,378.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,540 : 830,862 = 830,862 : x
  2. Step 2: Convert to fraction form
    552,540/830,862 = 830,862/x
  3. Step 3: Cross multiply
    552,540x = 830,862 × 830,862
  4. Step 4: Simplify right side
    552,540x = 690,331,663,044
  5. Step 5: Solve for x
    x = 690,331,663,044/552,540
  6. Step 6: Final answer
    x = 1,249,378.62

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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.