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Finding the Third Proportional to 5,742,786 and 8,896,509

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Solution

The third proportional to 5,742,786 and 8,896,509 is: 13,782,138.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,742,786 : 8,896,509 = 8,896,509 : x
  2. Step 2: Convert to fraction form
    5,742,786/8,896,509 = 8,896,509/x
  3. Step 3: Cross multiply
    5,742,786x = 8,896,509 × 8,896,509
  4. Step 4: Simplify right side
    5,742,786x = 79,147,872,387,081
  5. Step 5: Solve for x
    x = 79,147,872,387,081/5,742,786
  6. Step 6: Final answer
    x = 13,782,138.56

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.