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Finding the Third Proportional to 4,115,388 and 9,045,480

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Solution

The third proportional to 4,115,388 and 9,045,480 is: 19,881,651.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115,388 : 9,045,480 = 9,045,480 : x
  2. Step 2: Convert to fraction form
    4,115,388/9,045,480 = 9,045,480/x
  3. Step 3: Cross multiply
    4,115,388x = 9,045,480 × 9,045,480
  4. Step 4: Simplify right side
    4,115,388x = 81,820,708,430,400
  5. Step 5: Solve for x
    x = 81,820,708,430,400/4,115,388
  6. Step 6: Final answer
    x = 19,881,651.12

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.