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Finding the Third Proportional to 4,208,316 and 9,203,880

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Solution

The third proportional to 4,208,316 and 9,203,880 is: 20,129,526.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,208,316 : 9,203,880 = 9,203,880 : x
  2. Step 2: Convert to fraction form
    4,208,316/9,203,880 = 9,203,880/x
  3. Step 3: Cross multiply
    4,208,316x = 9,203,880 × 9,203,880
  4. Step 4: Simplify right side
    4,208,316x = 84,711,407,054,400
  5. Step 5: Solve for x
    x = 84,711,407,054,400/4,208,316
  6. Step 6: Final answer
    x = 20,129,526.17

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.