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Finding the Third Proportional to 40,443,639,988 and 87,926,711,692

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Solution

The third proportional to 40,443,639,988 and 87,926,711,692 is: 191,157,537,532.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,443,639,988 : 87,926,711,692 = 87,926,711,692 : x
  2. Step 2: Convert to fraction form
    40,443,639,988/87,926,711,692 = 87,926,711,692/x
  3. Step 3: Cross multiply
    40,443,639,988x = 87,926,711,692 × 87,926,711,692
  4. Step 4: Simplify right side
    40,443,639,988x = 7,731,106,628,968,089,911,296
  5. Step 5: Solve for x
    x = 7,731,106,628,968,089,911,296/40,443,639,988
  6. Step 6: Final answer
    x = 191,157,537,532.77

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.