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Finding the Third Proportional to 669,712 and 1,020,606

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Solution

The third proportional to 669,712 and 1,020,606 is: 1,555,350.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,712 : 1,020,606 = 1,020,606 : x
  2. Step 2: Convert to fraction form
    669,712/1,020,606 = 1,020,606/x
  3. Step 3: Cross multiply
    669,712x = 1,020,606 × 1,020,606
  4. Step 4: Simplify right side
    669,712x = 1,041,636,607,236
  5. Step 5: Solve for x
    x = 1,041,636,607,236/669,712
  6. Step 6: Final answer
    x = 1,555,350.07

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.