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Finding the Third Proportional to 8,877,988,293 and 19,318,860,157

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Solution

The third proportional to 8,877,988,293 and 19,318,860,157 is: 42,038,617,922.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877,988,293 : 19,318,860,157 = 19,318,860,157 : x
  2. Step 2: Convert to fraction form
    8,877,988,293/19,318,860,157 = 19,318,860,157/x
  3. Step 3: Cross multiply
    8,877,988,293x = 19,318,860,157 × 19,318,860,157
  4. Step 4: Simplify right side
    8,877,988,293x = 373,218,357,765,722,079,232
  5. Step 5: Solve for x
    x = 373,218,357,765,722,079,232/8,877,988,293
  6. Step 6: Final answer
    x = 42,038,617,922.03

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.