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Finding the Third Proportional to 1,398,373.88 and 2,182,555.13

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Solution

The third proportional to 1,398,373.88 and 2,182,555.13 is: 3,406,490.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,373.88 : 2,182,555.13 = 2,182,555.13 : x
  2. Step 2: Convert to fraction form
    1,398,373.88/2,182,555.13 = 2,182,555.13/x
  3. Step 3: Cross multiply
    1,398,373.88x = 2,182,555.13 × 2,182,555.13
  4. Step 4: Simplify right side
    1,398,373.88x = 4,763,546,873,663.77
  5. Step 5: Solve for x
    x = 4,763,546,873,663.77/1,398,373.88
  6. Step 6: Final answer
    x = 3,406,490.18

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.