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Finding the Third Proportional to 4,501,999.50 and 9,857,820

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Solution

The third proportional to 4,501,999.50 and 9,857,820 is: 21,585,212.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,501,999.50 : 9,857,820 = 9,857,820 : x
  2. Step 2: Convert to fraction form
    4,501,999.50/9,857,820 = 9,857,820/x
  3. Step 3: Cross multiply
    4,501,999.50x = 9,857,820 × 9,857,820
  4. Step 4: Simplify right side
    4,501,999.50x = 97,176,615,152,400
  5. Step 5: Solve for x
    x = 97,176,615,152,400/4,501,999.50
  6. Step 6: Final answer
    x = 21,585,212.34

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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.