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Finding the Third Proportional to 13,884,164,220 and 21,151,089,660

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Solution

The third proportional to 13,884,164,220 and 21,151,089,660 is: 32,221,499,740.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,884,164,220 : 21,151,089,660 = 21,151,089,660 : x
  2. Step 2: Convert to fraction form
    13,884,164,220/21,151,089,660 = 21,151,089,660/x
  3. Step 3: Cross multiply
    13,884,164,220x = 21,151,089,660 × 21,151,089,660
  4. Step 4: Simplify right side
    13,884,164,220x = 447,368,593,805,358,923,776
  5. Step 5: Solve for x
    x = 447,368,593,805,358,923,776/13,884,164,220
  6. Step 6: Final answer
    x = 32,221,499,740.04

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.