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Finding the Third Proportional to 221,089,786.88 and 473,237,434.13

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Solution

The third proportional to 221,089,786.88 and 473,237,434.13 is: 1,012,953,480.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,089,786.88 : 473,237,434.13 = 473,237,434.13 : x
  2. Step 2: Convert to fraction form
    221,089,786.88/473,237,434.13 = 473,237,434.13/x
  3. Step 3: Cross multiply
    221,089,786.88x = 473,237,434.13 × 473,237,434.13
  4. Step 4: Simplify right side
    221,089,786.88x = 223,953,669,057,213,728
  5. Step 5: Solve for x
    x = 223,953,669,057,213,728/221,089,786.88
  6. Step 6: Final answer
    x = 1,012,953,480.22

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.