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Finding the Third Proportional to 779,331 and 1,677,030

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Solution

The third proportional to 779,331 and 1,677,030 is: 3,608,774.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,331 : 1,677,030 = 1,677,030 : x
  2. Step 2: Convert to fraction form
    779,331/1,677,030 = 1,677,030/x
  3. Step 3: Cross multiply
    779,331x = 1,677,030 × 1,677,030
  4. Step 4: Simplify right side
    779,331x = 2,812,429,620,900
  5. Step 5: Solve for x
    x = 2,812,429,620,900/779,331
  6. Step 6: Final answer
    x = 3,608,774.22

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.