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Finding the Third Proportional to 711,720 and 1,554,768

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Solution

The third proportional to 711,720 and 1,554,768 is: 3,396,424.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,720 : 1,554,768 = 1,554,768 : x
  2. Step 2: Convert to fraction form
    711,720/1,554,768 = 1,554,768/x
  3. Step 3: Cross multiply
    711,720x = 1,554,768 × 1,554,768
  4. Step 4: Simplify right side
    711,720x = 2,417,303,533,824
  5. Step 5: Solve for x
    x = 2,417,303,533,824/711,720
  6. Step 6: Final answer
    x = 3,396,424.91

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.