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Finding the Third Proportional to 1,578,541 and 3,409,681

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Solution

The third proportional to 1,578,541 and 3,409,681 is: 7,364,981.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,541 : 3,409,681 = 3,409,681 : x
  2. Step 2: Convert to fraction form
    1,578,541/3,409,681 = 3,409,681/x
  3. Step 3: Cross multiply
    1,578,541x = 3,409,681 × 3,409,681
  4. Step 4: Simplify right side
    1,578,541x = 11,625,924,521,761
  5. Step 5: Solve for x
    x = 11,625,924,521,761/1,578,541
  6. Step 6: Final answer
    x = 7,364,981.03

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.