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Finding the Third Proportional to 8,302,130 and 18,021,360

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Solution

The third proportional to 8,302,130 and 18,021,360 is: 39,118,806.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302,130 : 18,021,360 = 18,021,360 : x
  2. Step 2: Convert to fraction form
    8,302,130/18,021,360 = 18,021,360/x
  3. Step 3: Cross multiply
    8,302,130x = 18,021,360 × 18,021,360
  4. Step 4: Simplify right side
    8,302,130x = 324,769,416,249,600
  5. Step 5: Solve for x
    x = 324,769,416,249,600/8,302,130
  6. Step 6: Final answer
    x = 39,118,806.41

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.