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Finding the Third Proportional to 3,191,360,370 and 6,983,903,072

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Solution

The third proportional to 3,191,360,370 and 6,983,903,072 is: 15,283,420,380.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191,360,370 : 6,983,903,072 = 6,983,903,072 : x
  2. Step 2: Convert to fraction form
    3,191,360,370/6,983,903,072 = 6,983,903,072/x
  3. Step 3: Cross multiply
    3,191,360,370x = 6,983,903,072 × 6,983,903,072
  4. Step 4: Simplify right side
    3,191,360,370x = 48,774,902,119,091,036,160
  5. Step 5: Solve for x
    x = 48,774,902,119,091,036,160/3,191,360,370
  6. Step 6: Final answer
    x = 15,283,420,380.10

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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.