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Finding the Third Proportional to 13,991,040 and 20,586,480

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Solution

The third proportional to 13,991,040 and 20,586,480 is: 30,291,040.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,991,040 : 20,586,480 = 20,586,480 : x
  2. Step 2: Convert to fraction form
    13,991,040/20,586,480 = 20,586,480/x
  3. Step 3: Cross multiply
    13,991,040x = 20,586,480 × 20,586,480
  4. Step 4: Simplify right side
    13,991,040x = 423,803,158,790,400
  5. Step 5: Solve for x
    x = 423,803,158,790,400/13,991,040
  6. Step 6: Final answer
    x = 30,291,040.47

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.