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Finding the Third Proportional to 5,618,643 and 12,089,487

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Solution

The third proportional to 5,618,643 and 12,089,487 is: 26,012,632.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618,643 : 12,089,487 = 12,089,487 : x
  2. Step 2: Convert to fraction form
    5,618,643/12,089,487 = 12,089,487/x
  3. Step 3: Cross multiply
    5,618,643x = 12,089,487 × 12,089,487
  4. Step 4: Simplify right side
    5,618,643x = 146,155,695,923,169
  5. Step 5: Solve for x
    x = 146,155,695,923,169/5,618,643
  6. Step 6: Final answer
    x = 26,012,632.57

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.