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Finding the Third Proportional to 666,720 and 1,470,528

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Solution

The third proportional to 666,720 and 1,470,528 is: 3,243,419.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,720 : 1,470,528 = 1,470,528 : x
  2. Step 2: Convert to fraction form
    666,720/1,470,528 = 1,470,528/x
  3. Step 3: Cross multiply
    666,720x = 1,470,528 × 1,470,528
  4. Step 4: Simplify right side
    666,720x = 2,162,452,598,784
  5. Step 5: Solve for x
    x = 2,162,452,598,784/666,720
  6. Step 6: Final answer
    x = 3,243,419.42

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.