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Finding the Third Proportional to 788,630 and 1,710,122

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Solution

The third proportional to 788,630 and 1,710,122 is: 3,708,351.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,630 : 1,710,122 = 1,710,122 : x
  2. Step 2: Convert to fraction form
    788,630/1,710,122 = 1,710,122/x
  3. Step 3: Cross multiply
    788,630x = 1,710,122 × 1,710,122
  4. Step 4: Simplify right side
    788,630x = 2,924,517,254,884
  5. Step 5: Solve for x
    x = 2,924,517,254,884/788,630
  6. Step 6: Final answer
    x = 3,708,351.51

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.