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Finding the Third Proportional to 5,409,477 and 8,424,407.25

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Solution

The third proportional to 5,409,477 and 8,424,407.25 is: 13,119,685.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409,477 : 8,424,407.25 = 8,424,407.25 : x
  2. Step 2: Convert to fraction form
    5,409,477/8,424,407.25 = 8,424,407.25/x
  3. Step 3: Cross multiply
    5,409,477x = 8,424,407.25 × 8,424,407.25
  4. Step 4: Simplify right side
    5,409,477x = 70,970,637,513,852.56
  5. Step 5: Solve for x
    x = 70,970,637,513,852.56/5,409,477
  6. Step 6: Final answer
    x = 13,119,685.60

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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.